40870551144 has 32 divisors (see below), whose sum is σ = 102263703840. Its totient is φ = 13611873600.

The previous prime is 40870551133. The next prime is 40870551181. The reversal of 40870551144 is 44115507804.

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, 699027 + ... + 755234.

It is an arithmetic number, because the mean of its divisors is an integer number (3195740745).

Almost surely, 2^40870551144 is an apocalyptic number.

It is an amenable number.

40870551144 is an abundant number, since it is smaller than the sum of its proper divisors (61393152696).

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

40870551144 is a wasteful number, since it uses less digits than its factorization.

40870551144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455441 (or 1455437 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 40870551144 in words is "forty billion, eight hundred seventy million, five hundred fifty-one thousand, one hundred forty-four".