40725504 has 110 divisors (see below), whose sum is σ = 121862004. Its totient is φ = 13547520.

The previous prime is 40725499. The next prime is 40725511. The reversal of 40725504 is 40552704.

40725504 is a `hidden beast` number, since 40 + 72 + 550 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82699 + ... + 83189.

Almost surely, 2^40725504 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 40725504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60931002).

40725504 is an abundant number, since it is smaller than the sum of its proper divisors (81136500).

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

40725504 is an equidigital number, since it uses as much as digits as its factorization.

40725504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40725504 is about 6381.6537041742. The cubic root of 40725504 is about 344.0504703305.

The spelling of 40725504 in words is "forty million, seven hundred twenty-five thousand, five hundred four".