28581045482 has 8 divisors (see below), whose sum is σ = 46768983552. Its totient is φ = 12991384300.

The previous prime is 28581045443. The next prime is 28581045487. The reversal of 28581045482 is 28454018582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28581045482² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28581045487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649569194 + ... + 649569237.

It is an arithmetic number, because the mean of its divisors is an integer number (5846122944).

Almost surely, 2^28581045482 is an apocalyptic number.

28581045482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28581045482 is a deficient number, since it is larger than the sum of its proper divisors (18187938070).

28581045482 is a wasteful number, since it uses less digits than its factorization.

28581045482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299138444.

The product of its (nonzero) digits is 819200, while the sum is 47.

The spelling of 28581045482 in words is "twenty-eight billion, five hundred eighty-one million, forty-five thousand, four hundred eighty-two".