40294631013 has 16 divisors (see below), whose sum is σ = 66124523136. Its totient is φ = 21254310720.

The previous prime is 40294631009. The next prime is 40294631029. The reversal of 40294631013 is 31013649204.

It is not a de Polignac number, because 40294631013 - 2² = 40294631009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294631033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73799418 + ... + 73799963.

It is an arithmetic number, because the mean of its divisors is an integer number (4132782696).

Almost surely, 2^40294631013 is an apocalyptic number.

It is an amenable number.

40294631013 is a deficient number, since it is larger than the sum of its proper divisors (25829892123).

40294631013 is a wasteful number, since it uses less digits than its factorization.

40294631013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147599404.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 40294631013 in words is "forty billion, two hundred ninety-four million, six hundred thirty-one thousand, thirteen".