5642409888 has 96 divisors (see below), whose sum is σ = 17425134720. Its totient is φ = 1770163200.

The previous prime is 5642409881. The next prime is 5642409893. The reversal of 5642409888 is 8889042465.

5642409888 is a `hidden beast` number, since 56 + 424 + 0 + 98 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5642409881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177388 + ... + 206763.

It is an arithmetic number, because the mean of its divisors is an integer number (181511820).

Almost surely, 2^5642409888 is an apocalyptic number.

It is an amenable number.

5642409888 is an abundant number, since it is smaller than the sum of its proper divisors (11782724832).

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

5642409888 is a wasteful number, since it uses less digits than its factorization.

5642409888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384187 (or 384173 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 5642409888 is about 75115.9762500628. The cubic root of 5642409888 is about 1780.2795807111.

The spelling of 5642409888 in words is "five billion, six hundred forty-two million, four hundred nine thousand, eight hundred eighty-eight".