28370953044 has 144 divisors (see below), whose sum is σ = 83186533248. Its totient is φ = 7985516544.

The previous prime is 28370953043. The next prime is 28370953099. The reversal of 28370953044 is 44035907382.

28370953044 is a `hidden beast` number, since 2 + 8 + 3 + 70 + 9 + 530 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28370953043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5546232 + ... + 5551344.

Almost surely, 2^28370953044 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 28370953044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41593266624).

28370953044 is an abundant number, since it is smaller than the sum of its proper divisors (54815580204).

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

28370953044 is a wasteful number, since it uses less digits than its factorization.

28370953044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 28370953044 in words is "twenty-eight billion, three hundred seventy million, nine hundred fifty-three thousand, forty-four".