5442620157 has 36 divisors (see below), whose sum is σ = 8882995680. Its totient is φ = 3203662176.

The previous prime is 5442620149. The next prime is 5442620173. The reversal of 5442620157 is 7510262445.

It is a happy number.

5442620157 is a `hidden beast` number, since 5 + 442 + 6 + 201 + 5 + 7 = 666.

It is not a de Polignac number, because 5442620157 - 2³ = 5442620149 is a prime.

It is a super-2 number, since 2×5442620157² = 59244228346765409298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442620137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42807 + ... + 112772.

It is an arithmetic number, because the mean of its divisors is an integer number (246749880).

Almost surely, 2^5442620157 is an apocalyptic number.

It is an amenable number.

5442620157 is a deficient number, since it is larger than the sum of its proper divisors (3440375523).

5442620157 is a wasteful number, since it uses less digits than its factorization.

5442620157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155634 (or 155618 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 5442620157 is about 73774.1157656261. The cubic root of 5442620157 is about 1759.0141858965.

The spelling of 5442620157 in words is "five billion, four hundred forty-two million, six hundred twenty thousand, one hundred fifty-seven".