28230330451 has 8 divisors (see below), whose sum is σ = 29224496000. Its totient is φ = 27241384320.

The previous prime is 28230330419. The next prime is 28230330461. The reversal of 28230330451 is 15403303282.

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

It is a cyclic number.

It is not a de Polignac number, because 28230330451 - 2⁵ = 28230330419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28230330461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293846 + ... + 1315483.

It is an arithmetic number, because the mean of its divisors is an integer number (3653062000).

Almost surely, 2^28230330451 is an apocalyptic number.

28230330451 is a deficient number, since it is larger than the sum of its proper divisors (994165549).

28230330451 is a wasteful number, since it uses less digits than its factorization.

28230330451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609709.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 28230330451 in words is "twenty-eight billion, two hundred thirty million, three hundred thirty thousand, four hundred fifty-one".