258051910640 has 160 divisors (see below), whose sum is σ = 624584774016. Its totient is φ = 99074949120.

The previous prime is 258051910637. The next prime is 258051910657. The reversal of 258051910640 is 46019150852.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 116606174 + ... + 116608386.

Almost surely, 2^258051910640 is an apocalyptic number.

258051910640 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 258051910640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312292387008).

258051910640 is an abundant number, since it is smaller than the sum of its proper divisors (366532863376).

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

258051910640 is a wasteful number, since it uses less digits than its factorization.

258051910640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 258051910640 in words is "two hundred fifty-eight billion, fifty-one million, nine hundred ten thousand, six hundred forty".