28054994160 has 80 divisors (see below), whose sum is σ = 91547890560. Its totient is φ = 7087576320.

The previous prime is 28054994153. The next prime is 28054994167. The reversal of 28054994160 is 6149945082.

It is an interprime number because it is at equal distance from previous prime (28054994153) and next prime (28054994167).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28054994167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3071646 + ... + 3080765.

It is an arithmetic number, because the mean of its divisors is an integer number (1144348632).

Almost surely, 2^28054994160 is an apocalyptic number.

28054994160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28054994160 is an abundant number, since it is smaller than the sum of its proper divisors (63492896400).

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

28054994160 is a wasteful number, since it uses less digits than its factorization.

28054994160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152446 (or 6152440 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 28054994160 in words is "twenty-eight billion, fifty-four million, nine hundred ninety-four thousand, one hundred sixty".