260400858048 has 140 divisors (see below), whose sum is σ = 774428816392. Its totient is φ = 86517020160.

The previous prime is 260400858041. The next prime is 260400858077. The reversal of 260400858048 is 840858004062.

260400858048 is a `hidden beast` number, since 2 + 60 + 4 + 0 + 0 + 8 + 580 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 260400857994 and 260400858012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260400858041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1509678 + ... + 1673298.

Almost surely, 2^260400858048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260400858048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387214408196).

260400858048 is an abundant number, since it is smaller than the sum of its proper divisors (514027958344).

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

260400858048 is a wasteful number, since it uses less digits than its factorization.

260400858048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163952 (or 163933 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 260400858048 in words is "two hundred sixty billion, four hundred million, eight hundred fifty-eight thousand, forty-eight".