5642291952 has 120 divisors (see below), whose sum is σ = 17801794640. Its totient is φ = 1709769600.

The previous prime is 5642291951. The next prime is 5642291969. The reversal of 5642291952 is 2591922465.

5642291952 is a `hidden beast` number, since 56 + 422 + 91 + 95 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5642291898 and 5642291907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642291951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699 + ... + 106242.

Almost surely, 2^5642291952 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 5642291952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8900897320).

5642291952 is an abundant number, since it is smaller than the sum of its proper divisors (12159502688).

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

5642291952 is a wasteful number, since it uses less digits than its factorization.

5642291952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107980 (or 107957 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5642291952 is about 75115.1912198857. The cubic root of 5642291952 is about 1780.2671769971.

The spelling of 5642291952 in words is "five billion, six hundred forty-two million, two hundred ninety-one thousand, nine hundred fifty-two".