342243780 has 48 divisors (see below), whose sum is σ = 967256640. Its totient is φ = 90410368.

The previous prime is 342243763. The next prime is 342243793. The reversal of 342243780 is 87342243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20235 + ... + 33074.

It is an arithmetic number, because the mean of its divisors is an integer number (20151180).

Almost surely, 2^342243780 is an apocalyptic number.

342243780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342243780 is an abundant number, since it is smaller than the sum of its proper divisors (625012860).

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

342243780 is a wasteful number, since it uses less digits than its factorization.

342243780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53428 (or 53426 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 342243780 is about 18499.8318911281. The cubic root of 342243780 is about 699.4851860996.

The spelling of 342243780 in words is "three hundred forty-two million, two hundred forty-three thousand, seven hundred eighty".