40163631871604 has 12 divisors (see below), whose sum is σ = 71010957381924. Its totient is φ = 19874786905344.

The previous prime is 40163631871541. The next prime is 40163631871607. The reversal of 40163631871604 is 40617813636104.

It can be written as a sum of positive squares in 2 ways, for example, as 28958411215204 + 11205220656400 = 5381302^2 + 3347420^2 .

It is a super-2 number, since 2×40163631871604² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163631871607) 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, 51757257179 + ... + 51757257954.

It is an arithmetic number, because the mean of its divisors is an integer number (5917579781827).

Almost surely, 2^{40163631871604} is an apocalyptic number.

It is an amenable number.

40163631871604 is a deficient number, since it is larger than the sum of its proper divisors (30847325510320).

40163631871604 is a wasteful number, since it uses less digits than its factorization.

40163631871604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103514515234 (or 103514515232 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 40163631871604 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty-one million, eight hundred seventy-one thousand, six hundred four".