28412242992 has 100 divisors (see below), whose sum is σ = 93980914896. Its totient is φ = 8117781120.

The previous prime is 28412242951. The next prime is 28412242997. The reversal of 28412242992 is 29924221482.

It is a super-2 number, since 2×28412242992² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (28412242997) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1556859 + ... + 1575002.

Almost surely, 2^28412242992 is an apocalyptic number.

It is an amenable number.

28412242992 is an abundant number, since it is smaller than the sum of its proper divisors (65568671904).

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

28412242992 is a wasteful number, since it uses less digits than its factorization.

28412242992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131888 (or 3131873 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 28412242992 in words is "twenty-eight billion, four hundred twelve million, two hundred forty-two thousand, nine hundred ninety-two".