28451834024 has 8 divisors (see below), whose sum is σ = 53347188810. Its totient is φ = 14225917008.

The previous prime is 28451833999. The next prime is 28451834029. The reversal of 28451834024 is 42043815482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22266011524 + 6185822500 = 149218^2 + 78650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28451834029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778239619 + ... + 1778239634.

Almost surely, 2^28451834024 is an apocalyptic number.

It is an amenable number.

28451834024 is a deficient number, since it is larger than the sum of its proper divisors (24895354786).

28451834024 is a wasteful number, since it uses less digits than its factorization.

28451834024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556479259 (or 3556479255 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 28451834024 in words is "twenty-eight billion, four hundred fifty-one million, eight hundred thirty-four thousand, twenty-four".