256349048 has 16 divisors (see below), whose sum is σ = 480828960. Its totient is φ = 128128000.

The previous prime is 256349029. The next prime is 256349059. The reversal of 256349048 is 840943652.

It is a junction number, because it is equal to n+sod(n) for n = 256348996 and 256349014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32273 + ... + 39423.

It is an arithmetic number, because the mean of its divisors is an integer number (30051810).

Almost surely, 2^256349048 is an apocalyptic number.

It is an amenable number.

256349048 is a deficient number, since it is larger than the sum of its proper divisors (224479912).

256349048 is a wasteful number, since it uses less digits than its factorization.

256349048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638 (or 11634 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 256349048 is about 16010.9040344385. The cubic root of 256349048 is about 635.2488726257.

The spelling of 256349048 in words is "two hundred fifty-six million, three hundred forty-nine thousand, forty-eight".