260554815400 has 96 divisors (see below), whose sum is σ = 664917040800. Its totient is φ = 94165804800.

The previous prime is 260554815383. The next prime is 260554815401. The reversal of 260554815400 is 4518455062.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (260554815401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4695 + ... + 721894.

It is an arithmetic number, because the mean of its divisors is an integer number (6926219175).

Almost surely, 2^260554815400 is an apocalyptic number.

260554815400 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 260554815400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332458520400).

260554815400 is an abundant number, since it is smaller than the sum of its proper divisors (404362225400).

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

260554815400 is a wasteful number, since it uses less digits than its factorization.

260554815400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726779 (or 726770 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 260554815400 in words is "two hundred sixty billion, five hundred fifty-four million, eight hundred fifteen thousand, four hundred".