28446237936 has 80 divisors (see below), whose sum is σ = 81851383200. Its totient is φ = 9458836992.

The previous prime is 28446237907. The next prime is 28446237977. The reversal of 28446237936 is 63973264482.

28446237936 is a `hidden beast` number, since 2 + 8 + 4 + 4 + 623 + 7 + 9 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 96190 + ... + 257186.

It is an arithmetic number, because the mean of its divisors is an integer number (1023142290).

Almost surely, 2^28446237936 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 28446237936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40925691600).

28446237936 is an abundant number, since it is smaller than the sum of its proper divisors (53405145264).

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

28446237936 is a wasteful number, since it uses less digits than its factorization.

28446237936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161423 (or 161411 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 28446237936 in words is "twenty-eight billion, four hundred forty-six million, two hundred thirty-seven thousand, nine hundred thirty-six".