28482912146 has 32 divisors (see below), whose sum is σ = 46814639088. Its totient is φ = 12916765440.

The previous prime is 28482912121. The next prime is 28482912193. The reversal of 28482912146 is 64121928482.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13170087121 + 15312825025 = 114761^2 + 123745^2 .

It is a super-3 number, since 3×28482912146³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 28482912146.

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, 1572236 + ... + 1590248.

Almost surely, 2^28482912146 is an apocalyptic number.

28482912146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28482912146 is a deficient number, since it is larger than the sum of its proper divisors (18331726942).

28482912146 is a wasteful number, since it uses less digits than its factorization.

28482912146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19086.

The product of its digits is 442368, while the sum is 47.

The spelling of 28482912146 in words is "twenty-eight billion, four hundred eighty-two million, nine hundred twelve thousand, one hundred forty-six".