458421956140 has 96 divisors (see below), whose sum is σ = 1058572307520. Its totient is φ = 165981978624.

The previous prime is 458421956107. The next prime is 458421956143. The reversal of 458421956140 is 41659124854.

It is not an unprimeable number, because it can be changed into a prime (458421956143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443567 + ... + 2624473.

It is an arithmetic number, because the mean of its divisors is an integer number (11026794870).

Almost surely, 2^458421956140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458421956140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529286153760).

458421956140 is an abundant number, since it is smaller than the sum of its proper divisors (600150351380).

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

458421956140 is a wasteful number, since it uses less digits than its factorization.

458421956140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181219 (or 181217 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 458421956140 in words is "four hundred fifty-eight billion, four hundred twenty-one million, nine hundred fifty-six thousand, one hundred forty".