40477020994 has 32 divisors (see below), whose sum is σ = 66844471680. Its totient is φ = 18297176832.

The previous prime is 40477020959. The next prime is 40477021001. The reversal of 40477020994 is 49902077404.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324964 + ... + 431920.

It is an arithmetic number, because the mean of its divisors is an integer number (2088889740).

Almost surely, 2^40477020994 is an apocalyptic number.

40477020994 is a deficient number, since it is larger than the sum of its proper divisors (26367450686).

40477020994 is a wasteful number, since it uses less digits than its factorization.

40477020994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107434.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 40477020994 in words is "forty billion, four hundred seventy-seven million, twenty thousand, nine hundred ninety-four".