258146780 has 48 divisors (see below), whose sum is σ = 559876800. Its totient is φ = 99906048.

The previous prime is 258146767. The next prime is 258146797. The reversal of 258146780 is 87641852.

258146780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146384 + ... + 148136.

It is an arithmetic number, because the mean of its divisors is an integer number (11664100).

Almost surely, 2^258146780 is an apocalyptic number.

258146780 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 258146780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279938400).

258146780 is an abundant number, since it is smaller than the sum of its proper divisors (301730020).

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

258146780 is a wasteful number, since it uses less digits than its factorization.

258146780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 258146780 is about 16066.9468163681. The cubic root of 258146780 is about 636.7303786951.

The spelling of 258146780 in words is "two hundred fifty-eight million, one hundred forty-six thousand, seven hundred eighty".