40573908 has 36 divisors (see below), whose sum is σ = 102755380. Its totient is φ = 13499136.

The previous prime is 40573903. The next prime is 40573919. The reversal of 40573908 is 80937504.

It can be written as a sum of positive squares in 2 ways, for example, as 6140484 + 34433424 = 2478^2 + 5868^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40573903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35766 + ... + 36882.

Almost surely, 2^40573908 is an apocalyptic number.

It is an amenable number.

40573908 is an abundant number, since it is smaller than the sum of its proper divisors (62181472).

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

40573908 is a wasteful number, since it uses less digits than its factorization.

40573908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40573908 is about 6369.7651448071. The cubic root of 40573908 is about 343.6230434532.

The spelling of 40573908 in words is "forty million, five hundred seventy-three thousand, nine hundred eight".