40598463656 has 8 divisors (see below), whose sum is σ = 76122119370. Its totient is φ = 20299231824.

The previous prime is 40598463641. The next prime is 40598463707. The reversal of 40598463656 is 65636489504.

It can be written as a sum of positive squares in only one way, i.e., 36286440100 + 4312023556 = 190490^2 + 65666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537403971 + ... + 2537403986.

Almost surely, 2^40598463656 is an apocalyptic number.

It is an amenable number.

40598463656 is a deficient number, since it is larger than the sum of its proper divisors (35523655714).

40598463656 is a wasteful number, since it uses less digits than its factorization.

40598463656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074807963 (or 5074807959 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 40598463656 in words is "forty billion, five hundred ninety-eight million, four hundred sixty-three thousand, six hundred fifty-six".