260819880 has 32 divisors (see below), whose sum is σ = 782460000. Its totient is φ = 69551936.

The previous prime is 260819879. The next prime is 260819893. The reversal of 260819880 is 88918062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086630 + ... + 1086869.

It is an arithmetic number, because the mean of its divisors is an integer number (24451875).

Almost surely, 2^260819880 is an apocalyptic number.

260819880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260819880 is an abundant number, since it is smaller than the sum of its proper divisors (521640120).

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

260819880 is a wasteful number, since it uses less digits than its factorization.

260819880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173513 (or 2173509 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 260819880 is about 16149.9188852452. The cubic root of 260819880 is about 638.9206089635.

The spelling of 260819880 in words is "two hundred sixty million, eight hundred nineteen thousand, eight hundred eighty".