Search a number
-
+
40370370340 = 22510931846769
BaseRepresentation
bin100101100110010000…
…101111011100100100
310212012110222022002111
4211212100233130210
51130134303322330
630313525050404
72626262325466
oct454620573444
9125173868074
1040370370340
1116137026833
1279a7b56a04
133a64a1b601
141d4d85c136
1510b429632a
hex96642f724

40370370340 has 24 divisors (see below), whose sum is σ = 84855387960. Its totient is φ = 16133365248.

The previous prime is 40370370323. The next prime is 40370370343. The reversal of 40370370340 is 4307307304.

It can be written as a sum of positive squares in 4 ways, for example, as 18298513984 + 22071856356 = 135272^2 + 148566^2 .

It is not an unprimeable number, because it can be changed into a prime (40370370343) 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 7 ways as a sum of consecutive naturals, for example, 901525 + ... + 945244.

It is an arithmetic number, because the mean of its divisors is an integer number (3535641165).

Almost surely, 240370370340 is an apocalyptic number.

It is an amenable number.

40370370340 is an abundant number, since it is smaller than the sum of its proper divisors (44485017620).

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

40370370340 is a wasteful number, since it uses less digits than its factorization.

40370370340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847871 (or 1847869 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 31.

Adding to 40370370340 its reverse (4307307304), we get a palindrome (44677677644).

The spelling of 40370370340 in words is "forty billion, three hundred seventy million, three hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1093 2186 4372 5465 10930 21860 1846769 3693538 7387076 9233845 18467690 36935380 2018518517 4037037034 8074074068 10092592585 20185185170 40370370340