260477990 has 32 divisors (see below), whose sum is σ = 494133696. Its totient is φ = 98665600.

The previous prime is 260477989. The next prime is 260477993. The reversal of 260477990 is 99774062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260477993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17624 + ... + 28836.

It is an arithmetic number, because the mean of its divisors is an integer number (15441678).

Almost surely, 2^260477990 is an apocalyptic number.

260477990 is a deficient number, since it is larger than the sum of its proper divisors (233655706).

260477990 is a wasteful number, since it uses less digits than its factorization.

260477990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 260477990 is about 16139.3305313448. The cubic root of 260477990 is about 638.6413152193.

The spelling of 260477990 in words is "two hundred sixty million, four hundred seventy-seven thousand, nine hundred ninety".