27190454432 has 24 divisors (see below), whose sum is σ = 56680102836. Its totient is φ = 12795507712.

The previous prime is 27190454419. The next prime is 27190454537. The reversal of 27190454432 is 23445409172.

It can be written as a sum of positive squares in 2 ways, for example, as 26531197456 + 659256976 = 162884^2 + 25676^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27190454432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24990683 + ... + 24991770.

Almost surely, 2^27190454432 is an apocalyptic number.

It is an amenable number.

27190454432 is an abundant number, since it is smaller than the sum of its proper divisors (29489648404).

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

27190454432 is a wasteful number, since it uses less digits than its factorization.

27190454432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49982480 (or 49982472 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 27190454432 in words is "twenty-seven billion, one hundred ninety million, four hundred fifty-four thousand, four hundred thirty-two".