28441602002 has 54 divisors (see below), whose sum is σ = 48360077199. Its totient is φ = 12535665120.

The previous prime is 28441601983. The next prime is 28441602019. The reversal of 28441602002 is 20020614482.

It can be written as a sum of positive squares in 5 ways, for example, as 27076373401 + 1365228601 = 164549^2 + 36949^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119251.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 97070168 + ... + 97070460.

Almost surely, 2^28441602002 is an apocalyptic number.

28441602002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28441602002 is a deficient number, since it is larger than the sum of its proper divisors (19918475197).

28441602002 is an equidigital number, since it uses as much as digits as its factorization.

28441602002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 28441602002 in words is "twenty-eight billion, four hundred forty-one million, six hundred two thousand, two".