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40285040371 = 51197869709
BaseRepresentation
bin100101100001001011…
…001110111011110011
310211222112102002101021
4211201023032323303
51130000432242441
630301240120311
72624205123202
oct454113167363
9124875362337
1040285040371
11160a29450a4
127983466097
133a501431c4
141d423a9239
1510aba3d3d1
hex9612ceef3

40285040371 has 4 divisors (see below), whose sum is σ = 40292915200. Its totient is φ = 40277165544.

The previous prime is 40285040363. The next prime is 40285040417. The reversal of 40285040371 is 17304058204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40285040371 - 23 = 40285040363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40285040311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929736 + ... + 3939973.

It is an arithmetic number, because the mean of its divisors is an integer number (10073228800).

Almost surely, 240285040371 is an apocalyptic number.

40285040371 is a deficient number, since it is larger than the sum of its proper divisors (7874829).

40285040371 is an equidigital number, since it uses as much as digits as its factorization.

40285040371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874828.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 40285040371 its reverse (17304058204), we get a palindrome (57589098575).

The spelling of 40285040371 in words is "forty billion, two hundred eighty-five million, forty thousand, three hundred seventy-one".

Divisors: 1 5119 7869709 40285040371