260979434982 has 72 divisors (see below), whose sum is σ = 658631773800. Its totient is φ = 74468395008.

The previous prime is 260979434959. The next prime is 260979435023. The reversal of 260979434982 is 289434979062.

260979434982 is a `hidden beast` number, since 26 + 0 + 97 + 9 + 434 + 98 + 2 = 666.

It is a super-2 number, since 2×260979434982² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 485869 + ... + 870647.

It is an arithmetic number, because the mean of its divisors is an integer number (9147663525).

Almost surely, 2^260979434982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260979434982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329315886900).

260979434982 is an abundant number, since it is smaller than the sum of its proper divisors (397652338818).

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

260979434982 is a wasteful number, since it uses less digits than its factorization.

260979434982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385570 (or 385560 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 260979434982 in words is "two hundred sixty billion, nine hundred seventy-nine million, four hundred thirty-four thousand, nine hundred eighty-two".