28092827440 has 80 divisors (see below), whose sum is σ = 70354354176. Its totient is φ = 10401811200.

The previous prime is 28092827431. The next prime is 28092827443. The reversal of 28092827440 is 4472829082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (28092827443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189216 + ... + 303295.

Almost surely, 2^28092827440 is an apocalyptic number.

28092827440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28092827440 is an abundant number, since it is smaller than the sum of its proper divisors (42261526736).

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

28092827440 is a wasteful number, since it uses less digits than its factorization.

28092827440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492578 (or 492572 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 28092827440 in words is "twenty-eight billion, ninety-two million, eight hundred twenty-seven thousand, four hundred forty".