28430100460 has 24 divisors (see below), whose sum is σ = 60012562176. Its totient is φ = 11313116160.

The previous prime is 28430100449. The next prime is 28430100529. The reversal of 28430100460 is 6400103482.

It is a super-2 number, since 2×28430100460² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3678796 + ... + 3686515.

It is an arithmetic number, because the mean of its divisors is an integer number (2500523424).

Almost surely, 2^28430100460 is an apocalyptic number.

28430100460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28430100460 is an abundant number, since it is smaller than the sum of its proper divisors (31582461716).

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

28430100460 is a wasteful number, since it uses less digits than its factorization.

28430100460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365513 (or 7365511 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 28430100460 in words is "twenty-eight billion, four hundred thirty million, one hundred thousand, four hundred sixty".