260521272 has 224 divisors, whose sum is σ = 831029760. Its totient is φ = 75816000.

The previous prime is 260521249. The next prime is 260521291. The reversal of 260521272 is 272125062.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1988647 + ... + 1988777.

Almost surely, 2^260521272 is an apocalyptic number.

260521272 is a gapful number since it is divisible by the number (22) 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 260521272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415514880).

260521272 is an abundant number, since it is smaller than the sum of its proper divisors (570508488).

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

260521272 is a wasteful number, since it uses less digits than its factorization.

260521272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 260521272 is about 16140.6713615017. The cubic root of 260521272 is about 638.6766862725.

The spelling of 260521272 in words is "two hundred sixty million, five hundred twenty-one thousand, two hundred seventy-two".