28264631112 has 48 divisors (see below), whose sum is σ = 77108828940. Its totient is φ = 9352770048.

The previous prime is 28264631089. The next prime is 28264631141. The reversal of 28264631112 is 21113646282.

It is a happy number.

28264631112 is a `hidden beast` number, since 2 + 8 + 2 + 6 + 4 + 631 + 1 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27223020036 + 1041611076 = 164994^2 + 32274^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1422853 + ... + 1442580.

Almost surely, 2^28264631112 is an apocalyptic number.

It is an amenable number.

28264631112 is an abundant number, since it is smaller than the sum of its proper divisors (48844197828).

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

28264631112 is a wasteful number, since it uses less digits than its factorization.

28264631112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865582 (or 2865575 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 28264631112 in words is "twenty-eight billion, two hundred sixty-four million, six hundred thirty-one thousand, one hundred twelve".