260416644 has 24 divisors (see below), whose sum is σ = 610253280. Its totient is φ = 86432064.

The previous prime is 260416631. The next prime is 260416657. The reversal of 260416644 is 446614062.

It is an interprime number because it is at equal distance from previous prime (260416631) and next prime (260416657).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43774 + ... + 49365.

It is an arithmetic number, because the mean of its divisors is an integer number (25427220).

Almost surely, 2^260416644 is an apocalyptic number.

It is an amenable number.

260416644 is an abundant number, since it is smaller than the sum of its proper divisors (349836636).

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

260416644 is a wasteful number, since it uses less digits than its factorization.

260416644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93379 (or 93377 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 260416644 is about 16137.4299068966. The cubic root of 260416644 is about 638.5911751336.

The spelling of 260416644 in words is "two hundred sixty million, four hundred sixteen thousand, six hundred forty-four".