256050740 has 48 divisors (see below), whose sum is σ = 600917184. Its totient is φ = 90835200.

The previous prime is 256050709. The next prime is 256050761. The reversal of 256050740 is 47050652.

It is a congruent number.

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, 5174 + ... + 23213.

It is an arithmetic number, because the mean of its divisors is an integer number (12519108).

Almost surely, 2^256050740 is an apocalyptic number.

256050740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256050740 is an abundant number, since it is smaller than the sum of its proper divisors (344866444).

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

256050740 is a wasteful number, since it uses less digits than its factorization.

256050740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28448 (or 28446 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 256050740 is about 16001.5855464388. The cubic root of 256050740 is about 635.0023683959.

The spelling of 256050740 in words is "two hundred fifty-six million, fifty thousand, seven hundred forty".