258016490 has 16 divisors (see below), whose sum is σ = 465486048. Its totient is φ = 102971856.

The previous prime is 258016487. The next prime is 258016501. The reversal of 258016490 is 94610852.

It is a super-2 number, since 2×258016490² = 133145018223840200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258016490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24692 + ... + 33551.

It is an arithmetic number, because the mean of its divisors is an integer number (29092878).

Almost surely, 2^258016490 is an apocalyptic number.

258016490 is a deficient number, since it is larger than the sum of its proper divisors (207469558).

258016490 is a wasteful number, since it uses less digits than its factorization.

258016490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58693.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 258016490 is about 16062.8917072861. The cubic root of 258016490 is about 636.6232386643.

The spelling of 258016490 in words is "two hundred fifty-eight million, sixteen thousand, four hundred ninety".