28241124372 has 144 divisors (see below), whose sum is σ = 75181410304. Its totient is φ = 8926848000.

The previous prime is 28241124293. The next prime is 28241124377. The reversal of 28241124372 is 27342114282.

28241124372 is a `hidden beast` number, since 28 + 241 + 1 + 24 + 372 = 666.

It is a super-2 number, since 2×28241124372² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28241124377) 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, 22940997 + ... + 22942227.

Almost surely, 2^28241124372 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 28241124372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37590705152).

28241124372 is an abundant number, since it is smaller than the sum of its proper divisors (46940285932).

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

28241124372 is a wasteful number, since it uses less digits than its factorization.

28241124372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1665 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The spelling of 28241124372 in words is "twenty-eight billion, two hundred forty-one million, one hundred twenty-four thousand, three hundred seventy-two".