258472266 has 16 divisors (see below), whose sum is σ = 556709664. Its totient is φ = 79529904.

The previous prime is 258472261. The next prime is 258472271. The reversal of 258472266 is 662274852.

It is an interprime number because it is at equal distance from previous prime (258472261) and next prime (258472271).

It is not an unprimeable number, because it can be changed into a prime (258472261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656796 + ... + 1656951.

It is an arithmetic number, because the mean of its divisors is an integer number (34794354).

Almost surely, 2^258472266 is an apocalyptic number.

258472266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

258472266 is an abundant number, since it is smaller than the sum of its proper divisors (298237398).

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

258472266 is a wasteful number, since it uses less digits than its factorization.

258472266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313765.

The product of its digits is 322560, while the sum is 42.

The square root of 258472266 is about 16077.0726813061. The cubic root of 258472266 is about 636.9978748100.

The spelling of 258472266 in words is "two hundred fifty-eight million, four hundred seventy-two thousand, two hundred sixty-six".