40294631015 has 16 divisors (see below), whose sum is σ = 50463604800. Its totient is φ = 30848681472.

The previous prime is 40294631009. The next prime is 40294631029. The reversal of 40294631015 is 51013649204.

It is a cyclic number.

It is not a de Polignac number, because 40294631015 - 2⁶ = 40294630951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213235 + ... + 1246004.

It is an arithmetic number, because the mean of its divisors is an integer number (3153975300).

Almost surely, 2^40294631015 is an apocalyptic number.

40294631015 is a deficient number, since it is larger than the sum of its proper divisors (10168973785).

40294631015 is a wasteful number, since it uses less digits than its factorization.

40294631015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459386.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 40294631015 in words is "forty billion, two hundred ninety-four million, six hundred thirty-one thousand, fifteen".