28943954090200 has 48 divisors (see below), whose sum is σ = 68859686146680. Its totient is φ = 11308335548160.

The previous prime is 28943954090147. The next prime is 28943954090251. The reversal of 28943954090200 is 209045934982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1682779429 + ... + 1682796628.

Almost surely, 2^{28943954090200} is an apocalyptic number.

28943954090200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28943954090200 is an abundant number, since it is smaller than the sum of its proper divisors (39915732056480).

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

28943954090200 is a wasteful number, since it uses less digits than its factorization.

28943954090200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365576116 (or 3365576107 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 28943954090200 in words is "twenty-eight trillion, nine hundred forty-three billion, nine hundred fifty-four million, ninety thousand, two hundred".