28446267446190 has 120 divisors (see below), whose sum is σ = 84074524075080. Its totient is φ = 6896064811680.

The previous prime is 28446267446189. The next prime is 28446267446251. The reversal of 28446267446190 is 9164476264482.

28446267446190 is a `hidden beast` number, since 2 + 8 + 4 + 4 + 6 + 2 + 6 + 7 + 4 + 4 + 619 + 0 = 666.

It is a super-2 number, since 2×28446267446190² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 145021200 + ... + 145217219.

It is an arithmetic number, because the mean of its divisors is an integer number (700621033959).

Almost surely, 2^{28446267446190} is an apocalyptic number.

28446267446190 is an abundant number, since it is smaller than the sum of its proper divisors (55628256628890).

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

28446267446190 is a wasteful number, since it uses less digits than its factorization.

28446267446190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290238460 (or 290238440 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 28446267446190 in words is "twenty-eight trillion, four hundred forty-six billion, two hundred sixty-seven million, four hundred forty-six thousand, one hundred ninety".