40663436604 has 24 divisors (see below), whose sum is σ = 108435831168. Its totient is φ = 11618124720.

The previous prime is 40663436581. The next prime is 40663436633.

40663436604 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 242044182 + ... + 242044349.

It is an arithmetic number, because the mean of its divisors is an integer number (4518159632).

Almost surely, 2^40663436604 is an apocalyptic number.

It is an amenable number.

40663436604 is an abundant number, since it is smaller than the sum of its proper divisors (67772394564).

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

40663436604 is a wasteful number, since it uses less digits than its factorization.

40663436604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484088545 (or 484088543 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 40663436604 in words is "forty billion, six hundred sixty-three million, four hundred thirty-six thousand, six hundred four".