40182992 has 20 divisors (see below), whose sum is σ = 78048576. Its totient is φ = 20041440.

The previous prime is 40182991. The next prime is 40182997. The reversal of 40182992 is 29928104.

It is a super-2 number, since 2×40182992² = 3229345692144128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40182991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983 + ... + 9809.

Almost surely, 2^40182992 is an apocalyptic number.

It is an amenable number.

40182992 is a deficient number, since it is larger than the sum of its proper divisors (37865584).

40182992 is a wasteful number, since it uses less digits than its factorization.

40182992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266 (or 6260 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 40182992 is about 6339.0056002499. The cubic root of 40182992 is about 342.5159159315.

The spelling of 40182992 in words is "forty million, one hundred eighty-two thousand, nine hundred ninety-two".