40477912 has 32 divisors (see below), whose sum is σ = 77490000. Its totient is φ = 19819008.

The previous prime is 40477903. The next prime is 40477949. The reversal of 40477912 is 21977404.

It is a super-2 number, since 2×40477912² = 3276922719759488, which contains 22 as substring.

It is a congruent number.

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, 98764 + ... + 99172.

Almost surely, 2^40477912 is an apocalyptic number.

It is an amenable number.

40477912 is a deficient number, since it is larger than the sum of its proper divisors (37012088).

40477912 is a wasteful number, since it uses less digits than its factorization.

40477912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 40477912 is about 6362.2253968246. The cubic root of 40477912 is about 343.3518306767.

The spelling of 40477912 in words is "forty million, four hundred seventy-seven thousand, nine hundred twelve".