40505700 has 36 divisors (see below), whose sum is σ = 117197360. Its totient is φ = 10801440.

The previous prime is 40505671. The next prime is 40505719. The reversal of 40505700 is 750504.

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, 67210 + ... + 67809.

Almost surely, 2^40505700 is an apocalyptic number.

It is an amenable number.

40505700 is an abundant number, since it is smaller than the sum of its proper divisors (76691660).

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

40505700 is a wasteful number, since it uses less digits than its factorization.

40505700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135036 (or 135029 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 40505700 is about 6364.4088492177. The cubic root of 40505700 is about 343.4303828033.

The spelling of 40505700 in words is "forty million, five hundred five thousand, seven hundred".