28413744968 has 32 divisors (see below), whose sum is σ = 63533842560. Its totient is φ = 11647870080.

The previous prime is 28413744913. The next prime is 28413744973. The reversal of 28413744968 is 86944731482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11028893 + ... + 11031468.

It is an arithmetic number, because the mean of its divisors is an integer number (1985432580).

Almost surely, 2^28413744968 is an apocalyptic number.

28413744968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28413744968 is an abundant number, since it is smaller than the sum of its proper divisors (35120097592).

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

28413744968 is a wasteful number, since it uses less digits than its factorization.

28413744968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22060397 (or 22060393 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 28413744968 in words is "twenty-eight billion, four hundred thirteen million, seven hundred forty-four thousand, nine hundred sixty-eight".