40912920 has 48 divisors (see below), whose sum is σ = 132968160. Its totient is φ = 10910016.

The previous prime is 40912903. The next prime is 40912933. The reversal of 40912920 is 2921904.

It is a congruent number.

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, 56464 + ... + 57183.

It is an arithmetic number, because the mean of its divisors is an integer number (2770170).

Almost surely, 2^40912920 is an apocalyptic number.

40912920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40912920 is an abundant number, since it is smaller than the sum of its proper divisors (92055240).

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

40912920 is a wasteful number, since it uses less digits than its factorization.

40912920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113664 (or 113657 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40912920 is about 6396.3208174700. The cubic root of 40912920 is about 344.5774284363.

The spelling of 40912920 in words is "forty million, nine hundred twelve thousand, nine hundred twenty".