340511472 has 80 divisors (see below), whose sum is σ = 1117031680. Its totient is φ = 97288128.

The previous prime is 340511449. The next prime is 340511473. The reversal of 340511472 is 274115043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340511473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53278 + ... + 59325.

It is an arithmetic number, because the mean of its divisors is an integer number (13962896).

Almost surely, 2^340511472 is an apocalyptic number.

It is an amenable number.

340511472 is an abundant number, since it is smaller than the sum of its proper divisors (776520208).

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

340511472 is a wasteful number, since it uses less digits than its factorization.

340511472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112627 (or 112615 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 340511472 is about 18452.9529344222. The cubic root of 340511472 is about 698.3030131850.

The spelling of 340511472 in words is "three hundred forty million, five hundred eleven thousand, four hundred seventy-two".