256710450 has 48 divisors (see below), whose sum is σ = 637655616. Its totient is φ = 68347200.

The previous prime is 256710449. The next prime is 256710491. The reversal of 256710450 is 54017652.

256710450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146580 + ... + 148320.

It is an arithmetic number, because the mean of its divisors is an integer number (13284492).

Almost surely, 2^256710450 is an apocalyptic number.

256710450 is an abundant number, since it is smaller than the sum of its proper divisors (380945166).

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

256710450 is a wasteful number, since it uses less digits than its factorization.

256710450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 256710450 is about 16022.1861804187. The cubic root of 256710450 is about 635.5472579868.

The spelling of 256710450 in words is "two hundred fifty-six million, seven hundred ten thousand, four hundred fifty".