40208578011824 has 20 divisors (see below), whose sum is σ = 78400324488144. Its totient is φ = 19976236208448.

The previous prime is 40208578011781. The next prime is 40208578011863. The reversal of 40208578011824 is 42811087580204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003297252 + ... + 8003302275.

Almost surely, 2^{40208578011824} is an apocalyptic number.

It is an amenable number.

40208578011824 is a deficient number, since it is larger than the sum of its proper divisors (38191746476320).

40208578011824 is a wasteful number, since it uses less digits than its factorization.

40208578011824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006599692 (or 16006599686 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 40208578011824 in words is "forty trillion, two hundred eight billion, five hundred seventy-eight million, eleven thousand, eight hundred twenty-four".