42357544 has 16 divisors (see below), whose sum is σ = 79489620. Its totient is φ = 21160320.

The previous prime is 42357533. The next prime is 42357587. The reversal of 42357544 is 44575324.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 6812100 = 5962^2 + 2610^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15892 + ... + 18364.

Almost surely, 2^42357544 is an apocalyptic number.

It is an amenable number.

42357544 is a deficient number, since it is larger than the sum of its proper divisors (37132076).

42357544 is a wasteful number, since it uses less digits than its factorization.

42357544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4616 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 42357544 is about 6508.2673577535. The cubic root of 42357544 is about 348.5862536406.

The spelling of 42357544 in words is "forty-two million, three hundred fifty-seven thousand, five hundred forty-four".