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40412213020 = 22519234623823
BaseRepresentation
bin100101101000110000…
…010110111100011100
310212022101201010110101
4211220300112330130
51130231011304040
630322021550444
72630311100014
oct455060267434
9125271633411
1040412213020
1116158705863
1279b9b75424
133a705abaaa
141d55230c44
1510b7cae09a
hex968c16f1c

40412213020 has 48 divisors (see below), whose sum is σ = 93216291840. Its totient is φ = 14648268096.

The previous prime is 40412212999. The next prime is 40412213027. The reversal of 40412213020 is 2031221404.

It is a super-2 number, since 2×404122130202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412213027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2303172 + ... + 2320651.

It is an arithmetic number, because the mean of its divisors is an integer number (1942006080).

Almost surely, 240412213020 is an apocalyptic number.

It is an amenable number.

40412213020 is an abundant number, since it is smaller than the sum of its proper divisors (52804078820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40412213020 is a wasteful number, since it uses less digits than its factorization.

40412213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623874 (or 4623872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40412213020 its reverse (2031221404), we get a palindrome (42443434424).

The spelling of 40412213020 in words is "forty billion, four hundred twelve million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 4623823 9247646 18495292 23119115 46238230 87852637 92476460 106347929 175705274 212695858 351410548 425391716 439263185 531739645 878526370 1063479290 1757052740 2020610651 2126958580 4041221302 8082442604 10103053255 20206106510 40412213020