8144457900 has 72 divisors (see below), whose sum is σ = 23622602640. Its totient is φ = 2166512640.

The previous prime is 8144457887. The next prime is 8144457911. The reversal of 8144457900 is 97544418.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89512 + ... + 155888.

Almost surely, 2^8144457900 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 8144457900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11811301320).

8144457900 is an abundant number, since it is smaller than the sum of its proper divisors (15478144740).

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

8144457900 is a wasteful number, since it uses less digits than its factorization.

8144457900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66803 (or 66796 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 8144457900 is about 90246.6503533511. The cubic root of 8144457900 is about 2011.9664179595.

The spelling of 8144457900 in words is "eight billion, one hundred forty-four million, four hundred fifty-seven thousand, nine hundred".