40944920 has 32 divisors (see below), whose sum is σ = 92361600. Its totient is φ = 16336128.

The previous prime is 40944887. The next prime is 40944923. The reversal of 40944920 is 2944904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40944923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18092 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (2886300).

Almost surely, 2^40944920 is an apocalyptic number.

40944920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40944920 is an abundant number, since it is smaller than the sum of its proper divisors (51416680).

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

40944920 is a wasteful number, since it uses less digits than its factorization.

40944920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40944920 is about 6398.8217665442. The cubic root of 40944920 is about 344.6672419897.

The spelling of 40944920 in words is "forty million, nine hundred forty-four thousand, nine hundred twenty".