28291200544 has 48 divisors (see below), whose sum is σ = 56119573440. Its totient is φ = 14038790400.

The previous prime is 28291200533. The next prime is 28291200557. The reversal of 28291200544 is 44500219282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7047882 + ... + 7051894.

It is an arithmetic number, because the mean of its divisors is an integer number (1169157780).

Almost surely, 2^28291200544 is an apocalyptic number.

It is an amenable number.

28291200544 is a deficient number, since it is larger than the sum of its proper divisors (27828372896).

28291200544 is a wasteful number, since it uses less digits than its factorization.

28291200544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 28291200544 in words is "twenty-eight billion, two hundred ninety-one million, two hundred thousand, five hundred forty-four".