260628648 has 48 divisors (see below), whose sum is σ = 757954080. Its totient is φ = 74464992.

The previous prime is 260628631. The next prime is 260628659. The reversal of 260628648 is 846826062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109636 + ... + 111987.

It is an arithmetic number, because the mean of its divisors is an integer number (15790710).

Almost surely, 2^260628648 is an apocalyptic number.

260628648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260628648 is an abundant number, since it is smaller than the sum of its proper divisors (497325432).

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

260628648 is a wasteful number, since it uses less digits than its factorization.

260628648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221646 (or 221635 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 260628648 is about 16143.9972745290. The cubic root of 260628648 is about 638.7644195156.

The spelling of 260628648 in words is "two hundred sixty million, six hundred twenty-eight thousand, six hundred forty-eight".