28450101140 has 24 divisors (see below), whose sum is σ = 59751603072. Its totient is φ = 11378823200.

The previous prime is 28450101109. The next prime is 28450101157. The reversal of 28450101140 is 4110105482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129065 + ... + 271215.

It is an arithmetic number, because the mean of its divisors is an integer number (2489650128).

Almost surely, 2^28450101140 is an apocalyptic number.

28450101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28450101140 is an abundant number, since it is smaller than the sum of its proper divisors (31301501932).

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

28450101140 is a wasteful number, since it uses less digits than its factorization.

28450101140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152167 (or 152165 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 28450101140 in words is "twenty-eight billion, four hundred fifty million, one hundred one thousand, one hundred forty".