5231654442 has 72 divisors (see below), whose sum is σ = 13542364836. Its totient is φ = 1454350464.

The previous prime is 5231654437. The next prime is 5231654509. The reversal of 5231654442 is 2444561325.

5231654442 is a `hidden beast` number, since 52 + 3 + 165 + 4 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4072864761 + 1158789681 = 63819^2 + 34041^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5231654397 and 5231654406.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47523 + ... + 112790.

Almost surely, 2^5231654442 is an apocalyptic number.

5231654442 is an abundant number, since it is smaller than the sum of its proper divisors (8310710394).

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

5231654442 is a wasteful number, since it uses less digits than its factorization.

5231654442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160372 (or 160362 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 5231654442 is about 72330.1765655248. The cubic root of 5231654442 is about 1735.9865265170.

The spelling of 5231654442 in words is "five billion, two hundred thirty-one million, six hundred fifty-four thousand, four hundred forty-two".