28354018368 has 224 divisors, whose sum is σ = 83924786176. Its totient is φ = 8392108032.

The previous prime is 28354018333. The next prime is 28354018393. The reversal of 28354018368 is 86381045382.

It is a super-2 number, since 2×28354018368² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 7189005 + ... + 7192947.

It is an arithmetic number, because the mean of its divisors is an integer number (374664224).

Almost surely, 2^28354018368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28354018368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41962393088).

28354018368 is an abundant number, since it is smaller than the sum of its proper divisors (55570767808).

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

28354018368 is a wasteful number, since it uses less digits than its factorization.

28354018368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 28354018368 in words is "twenty-eight billion, three hundred fifty-four million, eighteen thousand, three hundred sixty-eight".