340251320 has 32 divisors (see below), whose sum is σ = 770649120. Its totient is φ = 135196800.

The previous prime is 340251293. The next prime is 340251323. The reversal of 340251320 is 23152043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 340251292 and 340251301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340251323) 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, 22127 + ... + 34206.

It is an arithmetic number, because the mean of its divisors is an integer number (24082785).

Almost surely, 2^340251320 is an apocalyptic number.

It is an amenable number.

340251320 is an abundant number, since it is smaller than the sum of its proper divisors (430397800).

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

340251320 is a wasteful number, since it uses less digits than its factorization.

340251320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56495 (or 56491 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340251320 is about 18445.9025260354. The cubic root of 340251320 is about 698.1251325317.

The spelling of 340251320 in words is "three hundred forty million, two hundred fifty-one thousand, three hundred twenty".