258227493750 has 120 divisors (see below), whose sum is σ = 723231210240. Its totient is φ = 68860530000.

The previous prime is 258227493749. The next prime is 258227493781. The reversal of 258227493750 is 57394722852.

258227493750 is a `hidden beast` number, since 2 + 5 + 8 + 227 + 49 + 375 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 251211 + ... + 761289.

It is an arithmetic number, because the mean of its divisors is an integer number (6026926752).

Almost surely, 2^258227493750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258227493750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361615605120).

258227493750 is an abundant number, since it is smaller than the sum of its proper divisors (465003716490).

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

258227493750 is an frugal number, since it uses more digits than its factorization.

258227493750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510118 (or 510089 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 258227493750 in words is "two hundred fifty-eight billion, two hundred twenty-seven million, four hundred ninety-three thousand, seven hundred fifty".