258064282840 has 64 divisors (see below), whose sum is σ = 714639562560. Its totient is φ = 81673090560.

The previous prime is 258064282837. The next prime is 258064282859. The reversal of 258064282840 is 48282460852.

258064282840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35444751 + ... + 35452030.

It is an arithmetic number, because the mean of its divisors is an integer number (11166243165).

Almost surely, 2^258064282840 is an apocalyptic number.

258064282840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258064282840 is an abundant number, since it is smaller than the sum of its proper divisors (456575279720).

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

258064282840 is a wasteful number, since it uses less digits than its factorization.

258064282840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70896812 (or 70896808 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 49.

The spelling of 258064282840 in words is "two hundred fifty-eight billion, sixty-four million, two hundred eighty-two thousand, eight hundred forty".