40922720 has 24 divisors (see below), whose sum is σ = 96680304. Its totient is φ = 16369024.

The previous prime is 40922719. The next prime is 40922747. The reversal of 40922720 is 2722904.

It is a self number, because there is not a number n which added to its sum of digits gives 40922720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127724 + ... + 128043.

It is an arithmetic number, because the mean of its divisors is an integer number (4028346).

Almost surely, 2^40922720 is an apocalyptic number.

40922720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40922720 is an abundant number, since it is smaller than the sum of its proper divisors (55757584).

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

40922720 is a wasteful number, since it uses less digits than its factorization.

40922720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255782 (or 255774 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40922720 is about 6397.0868369907. The cubic root of 40922720 is about 344.6049388105.

The spelling of 40922720 in words is "forty million, nine hundred twenty-two thousand, seven hundred twenty".