259847501980 has 24 divisors (see below), whose sum is σ = 595287005040. Its totient is φ = 94490000640.

The previous prime is 259847501957. The next prime is 259847501987. The reversal of 259847501980 is 89105748952.

It is a super-2 number, since 2×259847501980² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259847501987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590562285 + ... + 590562724.

It is an arithmetic number, because the mean of its divisors is an integer number (24803625210).

Almost surely, 2^259847501980 is an apocalyptic number.

259847501980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259847501980 is an abundant number, since it is smaller than the sum of its proper divisors (335439503060).

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

259847501980 is a wasteful number, since it uses less digits than its factorization.

259847501980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181125029 (or 1181125027 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 259847501980 in words is "two hundred fifty-nine billion, eight hundred forty-seven million, five hundred one thousand, nine hundred eighty".