40870551128 has 16 divisors (see below), whose sum is σ = 83598854760. Its totient is φ = 18577523200.

The previous prime is 40870551097. The next prime is 40870551133. The reversal of 40870551128 is 82115507804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232218953 + ... + 232219128.

Almost surely, 2^40870551128 is an apocalyptic number.

It is an amenable number.

40870551128 is an abundant number, since it is smaller than the sum of its proper divisors (42728303632).

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

40870551128 is a wasteful number, since it uses less digits than its factorization.

40870551128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464438098 (or 464438094 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 40870551128 in words is "forty billion, eight hundred seventy million, five hundred fifty-one thousand, one hundred twenty-eight".