260402896 has 20 divisors (see below), whose sum is σ = 543341092. Its totient is φ = 120185856.

The previous prime is 260402867. The next prime is 260402911. The reversal of 260402896 is 698204062.

It can be written as a sum of positive squares in 2 ways, for example, as 36481600 + 223921296 = 6040^2 + 14964^2 .

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, 625761 + ... + 626176.

Almost surely, 2^260402896 is an apocalyptic number.

260402896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

260402896 is an abundant number, since it is smaller than the sum of its proper divisors (282938196).

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

260402896 is a wasteful number, since it uses less digits than its factorization.

260402896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251958 (or 1251952 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 260402896 is about 16137.0039350556. The cubic root of 260402896 is about 638.5799373650.

The spelling of 260402896 in words is "two hundred sixty million, four hundred two thousand, eight hundred ninety-six".