260877240 has 256 divisors, whose sum is σ = 992476800. Its totient is φ = 60383232.

The previous prime is 260877229. The next prime is 260877263. The reversal of 260877240 is 42778062.

260877240 is a `hidden beast` number, since 2 + 608 + 7 + 7 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 260877195 and 260877204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238134 + ... + 239226.

Almost surely, 2^260877240 is an apocalyptic number.

260877240 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 260877240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496238400).

260877240 is an abundant number, since it is smaller than the sum of its proper divisors (731599560).

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

260877240 is a wasteful number, since it uses less digits than its factorization.

260877240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 260877240 is about 16151.6946479309. The cubic root of 260877240 is about 638.9674430722.

The spelling of 260877240 in words is "two hundred sixty million, eight hundred seventy-seven thousand, two hundred forty".