259497980 has 24 divisors (see below), whose sum is σ = 622795488. Its totient is φ = 88970688.

The previous prime is 259497967. The next prime is 259498027. The reversal of 259497980 is 89794952.

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, 926639 + ... + 926918.

It is an arithmetic number, because the mean of its divisors is an integer number (25949812).

Almost surely, 2^259497980 is an apocalyptic number.

259497980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259497980 is an abundant number, since it is smaller than the sum of its proper divisors (363297508).

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

259497980 is a wasteful number, since it uses less digits than its factorization.

259497980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853573 (or 1853571 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 259497980 is about 16108.9409956086. The cubic root of 259497980 is about 637.8393774168.

The spelling of 259497980 in words is "two hundred fifty-nine million, four hundred ninety-seven thousand, nine hundred eighty".