27819190224 has 180 divisors, whose sum is σ = 91415024064. Its totient is φ = 7873842816.

The previous prime is 27819190211. The next prime is 27819190249. The reversal of 27819190224 is 42209191872.

It is a self number, because there is not a number n which added to its sum of digits gives 27819190224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 736569 + ... + 773415.

Almost surely, 2^27819190224 is an apocalyptic number.

27819190224 is a gapful number since it is divisible by the number (24) 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 27819190224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45707512032).

27819190224 is an abundant number, since it is smaller than the sum of its proper divisors (63595833840).

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

27819190224 is a wasteful number, since it uses less digits than its factorization.

27819190224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36982 (or 36966 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 27819190224 in words is "twenty-seven billion, eight hundred nineteen million, one hundred ninety thousand, two hundred twenty-four".