40635631046 has 16 divisors (see below), whose sum is σ = 65596962240. Its totient is φ = 18809162880.

The previous prime is 40635631039. The next prime is 40635631051. The reversal of 40635631046 is 64013653604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9794366 + ... + 9798513.

It is an arithmetic number, because the mean of its divisors is an integer number (4099810140).

Almost surely, 2^40635631046 is an apocalyptic number.

40635631046 is a deficient number, since it is larger than the sum of its proper divisors (24961331194).

40635631046 is a wasteful number, since it uses less digits than its factorization.

40635631046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592959.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 40635631046 in words is "forty billion, six hundred thirty-five million, six hundred thirty-one thousand, forty-six".