260246891520 has 1408 divisors, whose sum is σ = 1204351303680. Its totient is φ = 51677429760.

The previous prime is 260246891501. The next prime is 260246891533. The reversal of 260246891520 is 25198642062.

260246891520 is a `hidden beast` number, since 2 + 6 + 0 + 2 + 46 + 89 + 1 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1408).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 244822509 + ... + 244823571.

Almost surely, 2^260246891520 is an apocalyptic number.

260246891520 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 260246891520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602175651840).

260246891520 is an abundant number, since it is smaller than the sum of its proper divisors (944104412160).

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

260246891520 is a wasteful number, since it uses less digits than its factorization.

260246891520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 260246891520 in words is "two hundred sixty billion, two hundred forty-six million, eight hundred ninety-one thousand, five hundred twenty".