60040644 has 12 divisors (see below), whose sum is σ = 140094864. Its totient is φ = 20013544.

The previous prime is 60040637. The next prime is 60040723. The reversal of 60040644 is 44604006.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501682 + ... + 2501705.

It is an arithmetic number, because the mean of its divisors is an integer number (11674572).

Almost surely, 2^60040644 is an apocalyptic number.

It is an amenable number.

60040644 is an abundant number, since it is smaller than the sum of its proper divisors (80054220).

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

60040644 is a wasteful number, since it uses less digits than its factorization.

60040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003394 (or 5003392 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 60040644 is about 7748.5898071843. The cubic root of 60040644 is about 391.5751418755.

The spelling of 60040644 in words is "sixty million, forty thousand, six hundred forty-four".