28349451360 has 96 divisors (see below), whose sum is σ = 99223094880. Its totient is φ = 7559852544.

The previous prime is 28349451349. The next prime is 28349451367. The reversal of 28349451360 is 6315494382.

28349451360 is a `hidden beast` number, since 2 + 83 + 494 + 51 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28349451367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276867 + ... + 3285506.

It is an arithmetic number, because the mean of its divisors is an integer number (1033573905).

Almost surely, 2^28349451360 is an apocalyptic number.

28349451360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28349451360 is an abundant number, since it is smaller than the sum of its proper divisors (70873643520).

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

28349451360 is a wasteful number, since it uses less digits than its factorization.

28349451360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562397 (or 6562383 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 28349451360 in words is "twenty-eight billion, three hundred forty-nine million, four hundred fifty-one thousand, three hundred sixty".