28433149476 has 48 divisors (see below), whose sum is σ = 66719290176. Its totient is φ = 9424162944.

The previous prime is 28433149457. The next prime is 28433149513. The reversal of 28433149476 is 67494133482.

It is a happy 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, 7815930 + ... + 7819566.

It is an arithmetic number, because the mean of its divisors is an integer number (1389985212).

Almost surely, 2^28433149476 is an apocalyptic number.

It is an amenable number.

28433149476 is an abundant number, since it is smaller than the sum of its proper divisors (38286140700).

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

28433149476 is a wasteful number, since it uses less digits than its factorization.

28433149476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148 (or 7146 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The spelling of 28433149476 in words is "twenty-eight billion, four hundred thirty-three million, one hundred forty-nine thousand, four hundred seventy-six".