40131502345 has 16 divisors (see below), whose sum is σ = 53426226240. Its totient is φ = 28691857600.

The previous prime is 40131502343. The next prime is 40131502381. The reversal of 40131502345 is 54320513104.

It is not a de Polignac number, because 40131502345 - 2¹ = 40131502343 is a prime.

It is a super-2 number, since 2×40131502345² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131502343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6180346 + ... + 6186835.

It is an arithmetic number, because the mean of its divisors is an integer number (3339139140).

Almost surely, 2^40131502345 is an apocalyptic number.

It is an amenable number.

40131502345 is a deficient number, since it is larger than the sum of its proper divisors (13294723895).

40131502345 is a wasteful number, since it uses less digits than its factorization.

40131502345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367256.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 40131502345 in words is "forty billion, one hundred thirty-one million, five hundred two thousand, three hundred forty-five".