28550018846744 has 32 divisors (see below), whose sum is σ = 53686498140000. Its totient is φ = 14233659677952.

The previous prime is 28550018846677. The next prime is 28550018846759. The reversal of 28550018846744 is 44764881005582.

It is a super-2 number, since 2×28550018846744² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144932 + ... + 8184780.

It is an arithmetic number, because the mean of its divisors is an integer number (1677703066875).

Almost surely, 2^{28550018846744} is an apocalyptic number.

It is an amenable number.

28550018846744 is a deficient number, since it is larger than the sum of its proper divisors (25136479293256).

28550018846744 is a wasteful number, since it uses less digits than its factorization.

28550018846744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041907 (or 5041903 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 62.

The spelling of 28550018846744 in words is "twenty-eight trillion, five hundred fifty billion, eighteen million, eight hundred forty-six thousand, seven hundred forty-four".