40636655663604 has 192 divisors, whose sum is σ = 134009730140160. Its totient is φ = 9230261921280.

The previous prime is 40636655663563. The next prime is 40636655663651.

40636655663604 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40636655663604² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88798219 + ... + 89254674.

It is an arithmetic number, because the mean of its divisors is an integer number (697967344480).

Almost surely, 2^{40636655663604} is an apocalyptic number.

40636655663604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40636655663604 is an abundant number, since it is smaller than the sum of its proper divisors (93373074476556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40636655663604 is a wasteful number, since it uses less digits than its factorization.

40636655663604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178052950 (or 178052948 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 60.

The spelling of 40636655663604 in words is "forty trillion, six hundred thirty-six billion, six hundred fifty-five million, six hundred sixty-three thousand, six hundred four".