5642939891088 has 80 divisors (see below), whose sum is σ = 16901559123840. Its totient is φ = 1799198222976.

The previous prime is 5642939891081. The next prime is 5642939891093. The reversal of 5642939891088 is 8801989392465.

5642939891088 is a `hidden beast` number, since 5 + 6 + 429 + 3 + 98 + 9 + 108 + 8 = 666.

It is a super-2 number, since 2×5642939891088² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (5642939891081) 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, 283954431 + ... + 283974302.

It is an arithmetic number, because the mean of its divisors is an integer number (211269489048).

Almost surely, 2^{5642939891088} is an apocalyptic number.

It is an amenable number.

5642939891088 is an abundant number, since it is smaller than the sum of its proper divisors (11258619232752).

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

5642939891088 is a wasteful number, since it uses less digits than its factorization.

5642939891088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567928773 (or 567928761 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 5642939891088 in words is "five trillion, six hundred forty-two billion, nine hundred thirty-nine million, eight hundred ninety-one thousand, eighty-eight".