259237879290 has 192 divisors, whose sum is σ = 784722556800. Its totient is φ = 58819779072.

The previous prime is 259237879283. The next prime is 259237879331. The reversal of 259237879290 is 92978732952.

259237879290 is a `hidden beast` number, since 2 + 5 + 92 + 378 + 7 + 92 + 90 = 666.

It is a super-2 number, since 2×259237879290² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 664921 + ... + 980099.

It is an arithmetic number, because the mean of its divisors is an integer number (4087096650).

Almost surely, 2^259237879290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259237879290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392361278400).

259237879290 is an abundant number, since it is smaller than the sum of its proper divisors (525484677510).

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

259237879290 is a wasteful number, since it uses less digits than its factorization.

259237879290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315261 (or 315258 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 259237879290 in words is "two hundred fifty-nine billion, two hundred thirty-seven million, eight hundred seventy-nine thousand, two hundred ninety".