28460408321 has 8 divisors (see below), whose sum is σ = 28948987200. Its totient is φ = 27975884400.

The previous prime is 28460408309. The next prime is 28460408329. The reversal of 28460408321 is 12380406482.

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 28460408321 - 2¹⁸ = 28460146177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28460408329) 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, 999581 + ... + 1027658.

It is an arithmetic number, because the mean of its divisors is an integer number (3618623400).

Almost surely, 2^28460408321 is an apocalyptic number.

It is an amenable number.

28460408321 is a deficient number, since it is larger than the sum of its proper divisors (488578879).

28460408321 is a wasteful number, since it uses less digits than its factorization.

28460408321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027479.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 28460408321 in words is "twenty-eight billion, four hundred sixty million, four hundred eight thousand, three hundred twenty-one".