258069416 has 32 divisors (see below), whose sum is σ = 540751680. Its totient is φ = 114441600.

The previous prime is 258069391. The next prime is 258069421. The reversal of 258069416 is 614960852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 32156 + ... + 39371.

It is an arithmetic number, because the mean of its divisors is an integer number (16898490).

Almost surely, 2^258069416 is an apocalyptic number.

It is an amenable number.

258069416 is an abundant number, since it is smaller than the sum of its proper divisors (282682264).

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

258069416 is a wasteful number, since it uses less digits than its factorization.

258069416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71585 (or 71581 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 258069416 is about 16064.5390845800. The cubic root of 258069416 is about 636.6667651045. Note that the first 3 decimals are identical.

The spelling of 258069416 in words is "two hundred fifty-eight million, sixty-nine thousand, four hundred sixteen".