28454200014408 has 128 divisors (see below), whose sum is σ = 82073541150720. Its totient is φ = 8052532830720.

The previous prime is 28454200014391. The next prime is 28454200014431. The reversal of 28454200014408 is 80441000245482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 28454200014408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6147988 + ... + 9731708.

It is an arithmetic number, because the mean of its divisors is an integer number (641199540240).

Almost surely, 2^{28454200014408} is an apocalyptic number.

28454200014408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28454200014408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41036770575360).

28454200014408 is an abundant number, since it is smaller than the sum of its proper divisors (53619341136312).

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

28454200014408 is a wasteful number, since it uses less digits than its factorization.

28454200014408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584187 (or 3584183 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 42.

The spelling of 28454200014408 in words is "twenty-eight trillion, four hundred fifty-four billion, two hundred million, fourteen thousand, four hundred eight".