458542478550 has 96 divisors (see below), whose sum is σ = 1225657615392. Its totient is φ = 112780154880.

The previous prime is 458542478539. The next prime is 458542478621. The reversal of 458542478550 is 55874245854.

It is a happy number.

458542478550 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×458542478550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2317102 + ... + 2507198.

It is an arithmetic number, because the mean of its divisors is an integer number (12767266827).

Almost surely, 2^458542478550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458542478550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612828807696).

458542478550 is an abundant number, since it is smaller than the sum of its proper divisors (767115136842).

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

458542478550 is a wasteful number, since it uses less digits than its factorization.

458542478550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191362 (or 191357 counting only the distinct ones).

The product of its (nonzero) digits is 35840000, while the sum is 57.

The spelling of 458542478550 in words is "four hundred fifty-eight billion, five hundred forty-two million, four hundred seventy-eight thousand, five hundred fifty".