28744286016 has 28 divisors (see below), whose sum is σ = 76052590592. Its totient is φ = 9581428608.

The previous prime is 28744285993. The next prime is 28744286057. The reversal of 28744286016 is 61068244782.

It is a super-2 number, since 2×28744286016² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74854720 + ... + 74855103.

Almost surely, 2^28744286016 is an apocalyptic number.

It is an amenable number.

28744286016 is an abundant number, since it is smaller than the sum of its proper divisors (47308304576).

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

28744286016 is a wasteful number, since it uses less digits than its factorization.

28744286016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149709838 (or 149709828 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 28744286016 in words is "twenty-eight billion, seven hundred forty-four million, two hundred eighty-six thousand, sixteen".