27374494340 has 96 divisors (see below), whose sum is σ = 61111357440. Its totient is φ = 10271318400.

The previous prime is 27374494339. The next prime is 27374494403. The reversal of 27374494340 is 4349447372.

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, 17879375 + ... + 17880905.

It is an arithmetic number, because the mean of its divisors is an integer number (636576640).

Almost surely, 2^27374494340 is an apocalyptic number.

27374494340 is a gapful number since it is divisible by the number (20) 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 27374494340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30555678720).

27374494340 is an abundant number, since it is smaller than the sum of its proper divisors (33736863100).

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

27374494340 is a wasteful number, since it uses less digits than its factorization.

27374494340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 27374494340 in words is "twenty-seven billion, three hundred seventy-four million, four hundred ninety-four thousand, three hundred forty".