260400060 has 72 divisors (see below), whose sum is σ = 793316160. Its totient is φ = 69138048.

The previous prime is 260400059. The next prime is 260400083. The reversal of 260400060 is 60004062.

260400060 is a `hidden beast` number, since 2 + 604 + 0 + 0 + 0 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39994 + ... + 46046.

It is an arithmetic number, because the mean of its divisors is an integer number (11018280).

Almost surely, 2^260400060 is an apocalyptic number.

260400060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260400060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396658080).

260400060 is an abundant number, since it is smaller than the sum of its proper divisors (532916100).

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

260400060 is a wasteful number, since it uses less digits than its factorization.

260400060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307 (or 6302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 260400060 is about 16136.9160622468. The cubic root of 260400060 is about 638.5776191377.

The spelling of 260400060 in words is "two hundred sixty million, four hundred thousand, sixty".