342557880 has 64 divisors (see below), whose sum is σ = 1174487040. Its totient is φ = 78298752.

The previous prime is 342557879. The next prime is 342557893. The reversal of 342557880 is 88755243.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203064 + ... + 204743.

It is an arithmetic number, because the mean of its divisors is an integer number (18351360).

Almost surely, 2^342557880 is an apocalyptic number.

342557880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342557880 is an abundant number, since it is smaller than the sum of its proper divisors (831929160).

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

342557880 is a wasteful number, since it uses less digits than its factorization.

342557880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407828 (or 407824 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 342557880 is about 18508.3192105604. The cubic root of 342557880 is about 699.6991087773.

The spelling of 342557880 in words is "three hundred forty-two million, five hundred fifty-seven thousand, eight hundred eighty".