342451920 has 40 divisors (see below), whose sum is σ = 1061601696. Its totient is φ = 91320448.

The previous prime is 342451919. The next prime is 342451933. The reversal of 342451920 is 29154243.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 713202 + ... + 713681.

Almost surely, 2^342451920 is an apocalyptic number.

342451920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342451920 is an abundant number, since it is smaller than the sum of its proper divisors (719149776).

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

342451920 is a wasteful number, since it uses less digits than its factorization.

342451920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426899 (or 1426893 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 342451920 is about 18505.4564926132. The cubic root of 342451920 is about 699.6269576971.

The spelling of 342451920 in words is "three hundred forty-two million, four hundred fifty-one thousand, nine hundred twenty".