28430459225 has 24 divisors (see below), whose sum is σ = 40326823680. Its totient is φ = 19477365120.

The previous prime is 28430459219. The next prime is 28430459231. The reversal of 28430459225 is 52295403482.

It is an interprime number because it is at equal distance from previous prime (28430459219) and next prime (28430459231).

It is not a de Polignac number, because 28430459225 - 2¹² = 28430455129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119381 + ... + 266669.

It is an arithmetic number, because the mean of its divisors is an integer number (1680284320).

Almost surely, 2^28430459225 is an apocalyptic number.

28430459225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28430459225 is a deficient number, since it is larger than the sum of its proper divisors (11896364455).

28430459225 is a wasteful number, since it uses less digits than its factorization.

28430459225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148409 (or 148404 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 28430459225 in words is "twenty-eight billion, four hundred thirty million, four hundred fifty-nine thousand, two hundred twenty-five".