342618240 has 64 divisors (see below), whose sum is σ = 1092101760. Its totient is φ = 91364352.

The previous prime is 342618233. The next prime is 342618247. The reversal of 342618240 is 42816243.

It is an interprime number because it is at equal distance from previous prime (342618233) and next prime (342618247).

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a junction number, because it is equal to n+sod(n) for n = 342618198 and 342618207.

It is not an unprimeable number, because it can be changed into a prime (342618247) 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, 87304 + ... + 91143.

It is an arithmetic number, because the mean of its divisors is an integer number (17064090).

Almost surely, 2^342618240 is an apocalyptic number.

342618240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342618240 is an abundant number, since it is smaller than the sum of its proper divisors (749483520).

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

342618240 is a wasteful number, since it uses less digits than its factorization.

342618240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178469 (or 178457 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 342618240 is about 18509.9497568200. The cubic root of 342618240 is about 699.7402029109.

The spelling of 342618240 in words is "three hundred forty-two million, six hundred eighteen thousand, two hundred forty".