40474996566648 has 64 divisors (see below), whose sum is σ = 121729312992000. Its totient is φ = 10955638167552.

The previous prime is 40474996566623. The next prime is 40474996566701. The reversal of 40474996566648 is 84666569947404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6340065193 + ... + 6340071576.

It is an arithmetic number, because the mean of its divisors is an integer number (1902020515500).

Almost surely, 2^{40474996566648} is an apocalyptic number.

It is an amenable number.

40474996566648 is an abundant number, since it is smaller than the sum of its proper divisors (81254316425352).

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

40474996566648 is a wasteful number, since it uses less digits than its factorization.

40474996566648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680136804 (or 12680136800 counting only the distinct ones).

The product of its (nonzero) digits is 7524679680, while the sum is 78.

The spelling of 40474996566648 in words is "forty trillion, four hundred seventy-four billion, nine hundred ninety-six million, five hundred sixty-six thousand, six hundred forty-eight".