258120478 has 32 divisors (see below), whose sum is σ = 484807680. Its totient is φ = 100131360.

The previous prime is 258120451. The next prime is 258120479. The reversal of 258120478 is 874021852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258120479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33300 + ... + 40312.

It is an arithmetic number, because the mean of its divisors is an integer number (15150240).

Almost surely, 2^258120478 is an apocalyptic number.

258120478 is a deficient number, since it is larger than the sum of its proper divisors (226687202).

258120478 is a wasteful number, since it uses less digits than its factorization.

258120478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 258120478 is about 16066.1282828191. The cubic root of 258120478 is about 636.7087529476.

The spelling of 258120478 in words is "two hundred fifty-eight million, one hundred twenty thousand, four hundred seventy-eight".