342813440 has 72 divisors (see below), whose sum is σ = 825514368. Its totient is φ = 136396800.

The previous prime is 342813439. The next prime is 342813463. The reversal of 342813440 is 44318243.

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, 284840 + ... + 286040.

Almost surely, 2^342813440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342813440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412757184).

342813440 is an abundant number, since it is smaller than the sum of its proper divisors (482700928).

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

342813440 is a wasteful number, since it uses less digits than its factorization.

342813440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 342813440 is about 18515.2218458219. The cubic root of 342813440 is about 699.8730654191.

The spelling of 342813440 in words is "three hundred forty-two million, eight hundred thirteen thousand, four hundred forty".