40370856 has 16 divisors (see below), whose sum is σ = 100927200. Its totient is φ = 13456944.

The previous prime is 40370843. The next prime is 40370873. The reversal of 40370856 is 65807304.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 841036 + ... + 841083.

It is an arithmetic number, because the mean of its divisors is an integer number (6307950).

Almost surely, 2^40370856 is an apocalyptic number.

40370856 is the 4019-th centered pentagonal number.

It is an amenable number.

40370856 is an abundant number, since it is smaller than the sum of its proper divisors (60556344).

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

40370856 is a wasteful number, since it uses less digits than its factorization.

40370856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682128 (or 1682124 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40370856 is about 6353.8064182032. The cubic root of 40370856 is about 343.0488643986.

The spelling of 40370856 in words is "forty million, three hundred seventy thousand, eight hundred fifty-six".