258490228507 has 16 divisors (see below), whose sum is σ = 298398297600. Its totient is φ = 219329010432.

The previous prime is 258490228483. The next prime is 258490228523. The reversal of 258490228507 is 705822094852.

It is a de Polignac number, because none of the positive numbers 2^k-258490228507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258490228597) 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, 1879563 + ... + 2012395.

It is an arithmetic number, because the mean of its divisors is an integer number (18649893600).

Almost surely, 2^258490228507 is an apocalyptic number.

258490228507 is a deficient number, since it is larger than the sum of its proper divisors (39908069093).

258490228507 is a wasteful number, since it uses less digits than its factorization.

258490228507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135642.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 258490228507 in words is "two hundred fifty-eight billion, four hundred ninety million, two hundred twenty-eight thousand, five hundred seven".