260729940 has 48 divisors (see below), whose sum is σ = 731203200. Its totient is φ = 69417600.

The previous prime is 260729929. The next prime is 260729983. The reversal of 260729940 is 49927062.

260729940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260729940² = 135960203224807200, which contains 22 as substring.

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, 38961 + ... + 45159.

It is an arithmetic number, because the mean of its divisors is an integer number (15233400).

Almost surely, 2^260729940 is an apocalyptic number.

260729940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260729940 is an abundant number, since it is smaller than the sum of its proper divisors (470473260).

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

260729940 is a wasteful number, since it uses less digits than its factorization.

260729940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 260729940 is about 16147.1341110427. The cubic root of 260729940 is about 638.8471596466.

The spelling of 260729940 in words is "two hundred sixty million, seven hundred twenty-nine thousand, nine hundred forty".