28954693344 has 96 divisors (see below), whose sum is σ = 77563785600. Its totient is φ = 9455040000.

The previous prime is 28954693309. The next prime is 28954693363. The reversal of 28954693344 is 44339645982.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460007 + ... + 1479705.

It is an arithmetic number, because the mean of its divisors is an integer number (807956100).

Almost surely, 2^28954693344 is an apocalyptic number.

28954693344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28954693344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38781892800).

28954693344 is an abundant number, since it is smaller than the sum of its proper divisors (48609092256).

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

28954693344 is a wasteful number, since it uses less digits than its factorization.

28954693344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20024 (or 20016 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 57.

The spelling of 28954693344 in words is "twenty-eight billion, nine hundred fifty-four million, six hundred ninety-three thousand, three hundred forty-four".