40606992 has 30 divisors (see below), whose sum is σ = 113643582. Its totient is φ = 13535616.

The previous prime is 40606961. The next prime is 40607023. The reversal of 40606992 is 29960604.

40606992 is a `hidden beast` number, since 40 + 606 + 9 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (40606961) and next prime (40607023).

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 1218816 = 6276^2 + 1104^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140853 + ... + 141140.

Almost surely, 2^40606992 is an apocalyptic number.

It is an amenable number.

40606992 is an abundant number, since it is smaller than the sum of its proper divisors (73036590).

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

40606992 is a wasteful number, since it uses less digits than its factorization.

40606992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282007 (or 281998 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40606992 is about 6372.3615716624. The cubic root of 40606992 is about 343.7164149226.

The spelling of 40606992 in words is "forty million, six hundred six thousand, nine hundred ninety-two".