40908900 has 72 divisors (see below), whose sum is σ = 124610080. Its totient is φ = 10333440.

The previous prime is 40908893. The next prime is 40908929. The reversal of 40908900 is 980904.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2112 + ... + 9288.

Almost surely, 2^40908900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40908900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62305040).

40908900 is an abundant number, since it is smaller than the sum of its proper divisors (83701180).

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

40908900 is a wasteful number, since it uses less digits than its factorization.

40908900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213 (or 7206 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 40908900 is about 6396.0065666008. The cubic root of 40908900 is about 344.5661422979.

The spelling of 40908900 in words is "forty million, nine hundred eight thousand, nine hundred".