6040544640 has 128 divisors (see below), whose sum is σ = 20735416800. Its totient is φ = 1486897152.

The previous prime is 6040544633. The next prime is 6040544681. The reversal of 6040544640 is 464450406.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96045 + ... + 145964.

Almost surely, 2^6040544640 is an apocalyptic number.

6040544640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6040544640 is an abundant number, since it is smaller than the sum of its proper divisors (14694872160).

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

6040544640 is a wasteful number, since it uses less digits than its factorization.

6040544640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242044 (or 242032 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 6040544640 is about 77720.9408074812. The cubic root of 6040544640 is about 1821.2044356178.

The spelling of 6040544640 in words is "six billion, forty million, five hundred forty-four thousand, six hundred forty".