260172642457500 has 240 divisors, whose sum is σ = 767984167399680. Its totient is φ = 68522332736000.

The previous prime is 260172642457477. The next prime is 260172642457619. The reversal of 260172642457500 is 5754246271062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 591852787 + ... + 592292213.

It is an arithmetic number, because the mean of its divisors is an integer number (3199934030832).

Almost surely, 2^{260172642457500} is an apocalyptic number.

260172642457500 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 260172642457500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383992083699840).

260172642457500 is an abundant number, since it is smaller than the sum of its proper divisors (507811524942180).

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

260172642457500 is a wasteful number, since it uses less digits than its factorization.

260172642457500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440430 (or 440413 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 260172642457500 in words is "two hundred sixty trillion, one hundred seventy-two billion, six hundred forty-two million, four hundred fifty-seven thousand, five hundred".