42768558 has 24 divisors (see below), whose sum is σ = 105903408. Its totient is φ = 12219552.

The previous prime is 42768521. The next prime is 42768599. The reversal of 42768558 is 85586724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169591 + ... + 169842.

It is an arithmetic number, because the mean of its divisors is an integer number (4412642).

Almost surely, 2^42768558 is an apocalyptic number.

42768558 is an abundant number, since it is smaller than the sum of its proper divisors (63134850).

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

42768558 is a wasteful number, since it uses less digits than its factorization.

42768558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339448 (or 339445 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 42768558 is about 6539.7674270573. The cubic root of 42768558 is about 349.7101218873.

The spelling of 42768558 in words is "forty-two million, seven hundred sixty-eight thousand, five hundred fifty-eight".