40012776 has 48 divisors (see below), whose sum is σ = 108725760. Its totient is φ = 13293600.

The previous prime is 40012769. The next prime is 40012783. The reversal of 40012776 is 67721004.

It is an interprime number because it is at equal distance from previous prime (40012769) and next prime (40012783).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26851 + ... + 28301.

It is an arithmetic number, because the mean of its divisors is an integer number (2265120).

Almost surely, 2^40012776 is an apocalyptic number.

It is an amenable number.

40012776 is an abundant number, since it is smaller than the sum of its proper divisors (68712984).

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

40012776 is a wasteful number, since it uses less digits than its factorization.

40012776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40012776 is about 6325.5652711833. The cubic root of 40012776 is about 342.0315965473.

The spelling of 40012776 in words is "forty million, twelve thousand, seven hundred seventy-six".