258547046340 has 48 divisors (see below), whose sum is σ = 789743707200. Its totient is φ = 62678071680.

The previous prime is 258547046267. The next prime is 258547046357. The reversal of 258547046340 is 43640745852.

258547046340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×258547046340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258547046340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195868315 + ... + 195869634.

It is an arithmetic number, because the mean of its divisors is an integer number (16452993900).

Almost surely, 2^258547046340 is an apocalyptic number.

258547046340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258547046340 is an abundant number, since it is smaller than the sum of its proper divisors (531196660860).

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

258547046340 is a wasteful number, since it uses less digits than its factorization.

258547046340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391737972 (or 391737970 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 258547046340 in words is "two hundred fifty-eight billion, five hundred forty-seven million, forty-six thousand, three hundred forty".