260904465 has 24 divisors (see below), whose sum is σ = 452687040. Its totient is φ = 139009824.

The previous prime is 260904451. The next prime is 260904517. The reversal of 260904465 is 564409062.

260904465 is a `hidden beast` number, since 2 + 609 + 0 + 4 + 46 + 5 = 666.

It is not a de Polignac number, because 260904465 - 2¹⁰ = 260903441 is a prime.

It is a super-2 number, since 2×260904465² = 136142279713872450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55476 + ... + 59994.

It is an arithmetic number, because the mean of its divisors is an integer number (18861960).

Almost surely, 2^260904465 is an apocalyptic number.

It is an amenable number.

260904465 is a deficient number, since it is larger than the sum of its proper divisors (191782575).

260904465 is a wasteful number, since it uses less digits than its factorization.

260904465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813 (or 5810 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 260904465 is about 16152.5374167652. The cubic root of 260904465 is about 638.9896697251.

The spelling of 260904465 in words is "two hundred sixty million, nine hundred four thousand, four hundred sixty-five".