40027036720 has 40 divisors (see below), whose sum is σ = 101523122640. Its totient is φ = 14555285760.

The previous prime is 40027036691. The next prime is 40027036739. The reversal of 40027036720 is 2763072004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22741755 + ... + 22743514.

It is an arithmetic number, because the mean of its divisors is an integer number (2538078066).

Almost surely, 2^40027036720 is an apocalyptic number.

40027036720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40027036720 is an abundant number, since it is smaller than the sum of its proper divisors (61496085920).

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

40027036720 is a wasteful number, since it uses less digits than its factorization.

40027036720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45485293 (or 45485287 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 40027036720 in words is "forty billion, twenty-seven million, thirty-six thousand, seven hundred twenty".