28150406572 has 6 divisors (see below), whose sum is σ = 49263211508. Its totient is φ = 14075203284.

The previous prime is 28150406551. The next prime is 28150406611. The reversal of 28150406572 is 27560405182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3518800818 + ... + 3518800825.

Almost surely, 2^28150406572 is an apocalyptic number.

It is an amenable number.

28150406572 is a deficient number, since it is larger than the sum of its proper divisors (21112804936).

28150406572 is a wasteful number, since it uses less digits than its factorization.

28150406572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037601647 (or 7037601645 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 28150406572 in words is "twenty-eight billion, one hundred fifty million, four hundred six thousand, five hundred seventy-two".