259597980 has 48 divisors (see below), whose sum is σ = 807639840. Its totient is φ = 69225984.

The previous prime is 259597963. The next prime is 259598039. The reversal of 259597980 is 89795952.

It is a super-2 number, since 2×259597980² = 134782222440160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 239829 + ... + 240908.

It is an arithmetic number, because the mean of its divisors is an integer number (16825830).

Almost surely, 2^259597980 is an apocalyptic number.

259597980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259597980 is an abundant number, since it is smaller than the sum of its proper divisors (548041860).

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

259597980 is a wasteful number, since it uses less digits than its factorization.

259597980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480755 (or 480747 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The square root of 259597980 is about 16112.0445629970. The cubic root of 259597980 is about 637.9212993727.

The spelling of 259597980 in words is "two hundred fifty-nine million, five hundred ninety-seven thousand, nine hundred eighty".