260001253356 has 96 divisors (see below), whose sum is σ = 656100673536. Its totient is φ = 79662528000.

The previous prime is 260001253327. The next prime is 260001253361. The reversal of 260001253356 is 653352100062.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51168736 + ... + 51173816.

It is an arithmetic number, because the mean of its divisors is an integer number (6834382016).

Almost surely, 2^260001253356 is an apocalyptic number.

260001253356 is a gapful number since it is divisible by the number (26) 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 260001253356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328050336768).

260001253356 is an abundant number, since it is smaller than the sum of its proper divisors (396099420180).

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

260001253356 is a wasteful number, since it uses less digits than its factorization.

260001253356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6421 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 260001253356 in words is "two hundred sixty billion, one million, two hundred fifty-three thousand, three hundred fifty-six".