458193945140 has 24 divisors (see below), whose sum is σ = 962336082120. Its totient is φ = 183253045248.

The previous prime is 458193945127. The next prime is 458193945151. The reversal of 458193945140 is 41549391854.

It can be written as a sum of positive squares in 4 ways, for example, as 90247369744 + 367946575396 = 300412^2 + 606586^2 .

It is a congruent number.

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, 1379777 + ... + 1679336.

It is an arithmetic number, because the mean of its divisors is an integer number (40097336755).

Almost surely, 2^458193945140 is an apocalyptic number.

It is an amenable number.

458193945140 is an abundant number, since it is smaller than the sum of its proper divisors (504142136980).

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

458193945140 is a wasteful number, since it uses less digits than its factorization.

458193945140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066611 (or 3066609 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 458193945140 in words is "four hundred fifty-eight billion, one hundred ninety-three million, nine hundred forty-five thousand, one hundred forty".