5156365842 has 48 divisors (see below), whose sum is σ = 11573622528. Its totient is φ = 1657415520.

The previous prime is 5156365831. The next prime is 5156365871. The reversal of 5156365842 is 2485636515.

5156365842 is a `hidden beast` number, since 5 + 1 + 5 + 63 + 6 + 584 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141588 + ... + 174240.

It is an arithmetic number, because the mean of its divisors is an integer number (241117136).

Almost surely, 2^5156365842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156365842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5786811264).

5156365842 is an abundant number, since it is smaller than the sum of its proper divisors (6417256686).

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

5156365842 is a wasteful number, since it uses less digits than its factorization.

5156365842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32975 (or 32972 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 5156365842 is about 71807.8396973478. The cubic root of 5156365842 is about 1727.6187450584.

The spelling of 5156365842 in words is "five billion, one hundred fifty-six million, three hundred sixty-five thousand, eight hundred forty-two".