258643480 has 32 divisors (see below), whose sum is σ = 583061040. Its totient is φ = 103259520.

The previous prime is 258643471. The next prime is 258643513. The reversal of 258643480 is 84346852.

258643480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15970 + ... + 27790.

Almost surely, 2^258643480 is an apocalyptic number.

258643480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258643480 is an abundant number, since it is smaller than the sum of its proper divisors (324417560).

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

258643480 is a wasteful number, since it uses less digits than its factorization.

258643480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379 (or 12375 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 258643480 is about 16082.3965875736. The cubic root of 258643480 is about 637.1384945153.

The spelling of 258643480 in words is "two hundred fifty-eight million, six hundred forty-three thousand, four hundred eighty".