40099960056 has 32 divisors (see below), whose sum is σ = 107961431760. Its totient is φ = 12338449152.

The previous prime is 40099960031. The next prime is 40099960081. The reversal of 40099960056 is 65006999004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40099960031) and next prime (40099960081).

It is a junction number, because it is equal to n+sod(n) for n = 40099959987 and 40099960014.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 64262445 + ... + 64263068.

Almost surely, 2^40099960056 is an apocalyptic number.

It is an amenable number.

40099960056 is an abundant number, since it is smaller than the sum of its proper divisors (67861471704).

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

40099960056 is a wasteful number, since it uses less digits than its factorization.

40099960056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128525535 (or 128525531 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 40099960056 in words is "forty billion, ninety-nine million, nine hundred sixty thousand, fifty-six".