259972670280 has 128 divisors (see below), whose sum is σ = 822798000000. Its totient is φ = 65530773504.

The previous prime is 259972670257. The next prime is 259972670291. The reversal of 259972670280 is 82076279952.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 259972670280.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896746 + ... + 1150694.

It is an arithmetic number, because the mean of its divisors is an integer number (6428109375).

Almost surely, 2^259972670280 is an apocalyptic number.

259972670280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259972670280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411399000000).

259972670280 is an abundant number, since it is smaller than the sum of its proper divisors (562825329720).

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

259972670280 is a wasteful number, since it uses less digits than its factorization.

259972670280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254431 (or 254427 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 259972670280 in words is "two hundred fifty-nine billion, nine hundred seventy-two million, six hundred seventy thousand, two hundred eighty".