40002599984 has 10 divisors (see below), whose sum is σ = 77505037500. Its totient is φ = 20001299984.

The previous prime is 40002599941. The next prime is 40002599993. The reversal of 40002599984 is 48999520004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250081234 + ... + 1250081265.

It is an arithmetic number, because the mean of its divisors is an integer number (7750503750).

Almost surely, 2^40002599984 is an apocalyptic number.

It is an amenable number.

40002599984 is a deficient number, since it is larger than the sum of its proper divisors (37502437516).

40002599984 is a wasteful number, since it uses less digits than its factorization.

40002599984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500162507 (or 2500162501 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 40002599984 in words is "forty billion, two million, five hundred ninety-nine thousand, nine hundred eighty-four".