70448904144 has 160 divisors (see below), whose sum is σ = 207833225600. Its totient is φ = 22835312640.

The previous prime is 70448904139. The next prime is 70448904151. The reversal of 70448904144 is 44140984407.

It is a self number, because there is not a number n which added to its sum of digits gives 70448904144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4245624 + ... + 4262184.

It is an arithmetic number, because the mean of its divisors is an integer number (1298957660).

Almost surely, 2^70448904144 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 70448904144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103916612800).

70448904144 is an abundant number, since it is smaller than the sum of its proper divisors (137384321456).

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

70448904144 is a wasteful number, since it uses less digits than its factorization.

70448904144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850 (or 16838 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 70448904144 in words is "seventy billion, four hundred forty-eight million, nine hundred four thousand, one hundred forty-four".