40920512 has 28 divisors (see below), whose sum is σ = 82585560. Its totient is φ = 20111616.

The previous prime is 40920497. The next prime is 40920533. The reversal of 40920512 is 21502904.

It is a congruent number.

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, 1643 + ... + 9194.

Almost surely, 2^40920512 is an apocalyptic number.

It is an amenable number.

40920512 is an abundant number, since it is smaller than the sum of its proper divisors (41665048).

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

40920512 is a wasteful number, since it uses less digits than its factorization.

40920512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40920512 is about 6396.9142561082. The cubic root of 40920512 is about 344.5987409381.

The spelling of 40920512 in words is "forty million, nine hundred twenty thousand, five hundred twelve".