27103395264 has 112 divisors (see below), whose sum is σ = 78668392320. Its totient is φ = 8167152640.

The previous prime is 27103395233. The next prime is 27103395269. The reversal of 27103395264 is 46259330172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27103395269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342202 + ... + 413894.

It is an arithmetic number, because the mean of its divisors is an integer number (702396360).

Almost surely, 2^27103395264 is an apocalyptic number.

27103395264 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 27103395264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39334196160).

27103395264 is an abundant number, since it is smaller than the sum of its proper divisors (51564997056).

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

27103395264 is a wasteful number, since it uses less digits than its factorization.

27103395264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71898 (or 71888 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 27103395264 in words is "twenty-seven billion, one hundred three million, three hundred ninety-five thousand, two hundred sixty-four".