342655680 has 56 divisors (see below), whose sum is σ = 1087934832. Its totient is φ = 91374592.

The previous prime is 342655669. The next prime is 342655681. The reversal of 342655680 is 86556243.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (342655681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177507 + ... + 179426.

Almost surely, 2^342655680 is an apocalyptic number.

342655680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342655680 is an abundant number, since it is smaller than the sum of its proper divisors (745279152).

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

342655680 is a wasteful number, since it uses less digits than its factorization.

342655680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356953 (or 356943 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 342655680 is about 18510.9610771564. The cubic root of 342655680 is about 699.7656902862.

The spelling of 342655680 in words is "three hundred forty-two million, six hundred fifty-five thousand, six hundred eighty".