260990740 has 24 divisors (see below), whose sum is σ = 548456832. Its totient is φ = 104324640.

The previous prime is 260990731. The next prime is 260990759. The reversal of 260990740 is 47099062.

It is a super-3 number, since 3×260990740³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 260990740.

It is a congruent number.

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, 33057 + ... + 40183.

It is an arithmetic number, because the mean of its divisors is an integer number (22852368).

Almost surely, 2^260990740 is an apocalyptic number.

260990740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260990740 is an abundant number, since it is smaller than the sum of its proper divisors (287466092).

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

260990740 is a wasteful number, since it uses less digits than its factorization.

260990740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967 (or 8965 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 260990740 is about 16155.2078290562. The cubic root of 260990740 is about 639.0600949390.

The spelling of 260990740 in words is "two hundred sixty million, nine hundred ninety thousand, seven hundred forty".