340263456 has 96 divisors (see below), whose sum is σ = 982533888. Its totient is φ = 102451200.

The previous prime is 340263437. The next prime is 340263479. The reversal of 340263456 is 654362043.

340263456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55756 + ... + 61556.

It is an arithmetic number, because the mean of its divisors is an integer number (10234728).

Almost surely, 2^340263456 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 340263456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491266944).

340263456 is an abundant number, since it is smaller than the sum of its proper divisors (642270432).

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

340263456 is a wasteful number, since it uses less digits than its factorization.

340263456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 340263456 is about 18446.2314850486. The cubic root of 340263456 is about 698.1334326179.

The spelling of 340263456 in words is "three hundred forty million, two hundred sixty-three thousand, four hundred fifty-six".