448157204742 has 64 divisors (see below), whose sum is σ = 984630354624. Its totient is φ = 135143907840.

The previous prime is 448157204723. The next prime is 448157204753. The reversal of 448157204742 is 247402751844.

It is a junction number, because it is equal to n+sod(n) for n = 448157204691 and 448157204700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147948 + ... + 1487984.

It is an arithmetic number, because the mean of its divisors is an integer number (15384849291).

Almost surely, 2^448157204742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448157204742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492315177312).

448157204742 is an abundant number, since it is smaller than the sum of its proper divisors (536473149882).

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

448157204742 is a wasteful number, since it uses less digits than its factorization.

448157204742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340393.

The product of its (nonzero) digits is 2007040, while the sum is 48.

The spelling of 448157204742 in words is "four hundred forty-eight billion, one hundred fifty-seven million, two hundred four thousand, seven hundred forty-two".