260007988 has 12 divisors (see below), whose sum is σ = 455140000. Its totient is φ = 129967992.

The previous prime is 260007961. The next prime is 260008003. The reversal of 260007988 is 889700062.

It is a hoax number, since the sum of its digits (40) 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 260007988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13495 + ... + 26497.

Almost surely, 2^260007988 is an apocalyptic number.

It is an amenable number.

260007988 is a deficient number, since it is larger than the sum of its proper divisors (195132012).

260007988 is a wasteful number, since it uses less digits than its factorization.

260007988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006 (or 18004 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 260007988 is about 16124.7631920596. The cubic root of 260007988 is about 638.2569661581.

The spelling of 260007988 in words is "two hundred sixty million, seven thousand, nine hundred eighty-eight".