28333344444436 has 48 divisors (see below), whose sum is σ = 50780986228224. Its totient is φ = 13827426777216.

The previous prime is 28333344444409. The next prime is 28333344444473. The reversal of 28333344444436 is 63444444333382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36028566 + ... + 36806578.

It is an arithmetic number, because the mean of its divisors is an integer number (1057937213088).

Almost surely, 2^{28333344444436} is an apocalyptic number.

It is an amenable number.

28333344444436 is a deficient number, since it is larger than the sum of its proper divisors (22447641783788).

28333344444436 is a wasteful number, since it uses less digits than its factorization.

28333344444436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778960 (or 778958 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 55.

The spelling of 28333344444436 in words is "twenty-eight trillion, three hundred thirty-three billion, three hundred forty-four million, four hundred forty-four thousand, four hundred thirty-six".