27147402546 has 64 divisors (see below), whose sum is σ = 60551231616. Its totient is φ = 8044646400.

The previous prime is 27147402517. The next prime is 27147402563. The reversal of 27147402546 is 64520474172.

It is a junction number, because it is equal to n+sod(n) for n = 27147402498 and 27147402507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677010 + ... + 715986.

It is an arithmetic number, because the mean of its divisors is an integer number (946112994).

Almost surely, 2^27147402546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27147402546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30275615808).

27147402546 is an abundant number, since it is smaller than the sum of its proper divisors (33403829070).

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

27147402546 is a wasteful number, since it uses less digits than its factorization.

27147402546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39227.

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 27147402546 in words is "twenty-seven billion, one hundred forty-seven million, four hundred two thousand, five hundred forty-six".