260715866940 has 48 divisors (see below), whose sum is σ = 811116032160. Its totient is φ = 69524231040.

The previous prime is 260715866899. The next prime is 260715866959. The reversal of 260715866940 is 49668517062.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241403041 + ... + 241404120.

It is an arithmetic number, because the mean of its divisors is an integer number (16898250670).

Almost surely, 2^260715866940 is an apocalyptic number.

260715866940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260715866940 is an abundant number, since it is smaller than the sum of its proper divisors (550400165220).

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

260715866940 is a wasteful number, since it uses less digits than its factorization.

260715866940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482807179 (or 482807171 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 260715866940 in words is "two hundred sixty billion, seven hundred fifteen million, eight hundred sixty-six thousand, nine hundred forty".