458448831138 has 64 divisors (see below), whose sum is σ = 950657710464. Its totient is φ = 147313920000.

The previous prime is 458448831077. The next prime is 458448831167. The reversal of 458448831138 is 831138844854.

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 31 ways as a sum of consecutive naturals, for example, 4152978 + ... + 4261938.

It is an arithmetic number, because the mean of its divisors is an integer number (14854026726).

Almost surely, 2^458448831138 is an apocalyptic number.

458448831138 is an abundant number, since it is smaller than the sum of its proper divisors (492208879326).

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

458448831138 is a wasteful number, since it uses less digits than its factorization.

458448831138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109251.

The product of its digits is 11796480, while the sum is 57.

The spelling of 458448831138 in words is "four hundred fifty-eight billion, four hundred forty-eight million, eight hundred thirty-one thousand, one hundred thirty-eight".