28422385931232 has 480 divisors, whose sum is σ = 90779734450944. Its totient is φ = 8703098265600.

The previous prime is 28422385931221. The next prime is 28422385931237. The reversal of 28422385931232 is 23213958322482.

28422385931232 is a `hidden beast` number, since 2 + 8 + 4 + 2 + 2 + 3 + 8 + 593 + 12 + 32 = 666.

It is a super-3 number, since 3×28422385931232³ (a number of 41 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422385931237) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 121777398 + ... + 122010570.

Almost surely, 2^{28422385931232} 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 28422385931232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45389867225472).

28422385931232 is an abundant number, since it is smaller than the sum of its proper divisors (62357348519712).

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

28422385931232 is a wasteful number, since it uses less digits than its factorization.

28422385931232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233304 (or 233287 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 28422385931232 in words is "twenty-eight trillion, four hundred twenty-two billion, three hundred eighty-five million, nine hundred thirty-one thousand, two hundred thirty-two".