340799920 has 40 divisors (see below), whose sum is σ = 795212496. Its totient is φ = 135829248.

The previous prime is 340799881. The next prime is 340799923. The reversal of 340799920 is 29997043.

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

It is a super-2 number, since 2×340799920² = 232289170944012800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340799923) 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, 15114 + ... + 30166.

Almost surely, 2^340799920 is an apocalyptic number.

It is an amenable number.

340799920 is an abundant number, since it is smaller than the sum of its proper divisors (454412576).

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

340799920 is a wasteful number, since it uses less digits than its factorization.

340799920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15349 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 340799920 is about 18460.7670479858. The cubic root of 340799920 is about 698.5001355292.

The spelling of 340799920 in words is "three hundred forty million, seven hundred ninety-nine thousand, nine hundred twenty".