40027810688 has 32 divisors (see below), whose sum is σ = 79752000720. Its totient is φ = 20011622400.

The previous prime is 40027810681. The next prime is 40027810721. The reversal of 40027810688 is 88601872004.

40027810688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027810681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975328 + ... + 1995488.

Almost surely, 2^40027810688 is an apocalyptic number.

It is an amenable number.

40027810688 is a deficient number, since it is larger than the sum of its proper divisors (39724190032).

40027810688 is a wasteful number, since it uses less digits than its factorization.

40027810688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35686 (or 35674 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 40027810688 in words is "forty billion, twenty-seven million, eight hundred ten thousand, six hundred eighty-eight".