27318394740 has 288 divisors, whose sum is σ = 98919926784. Its totient is φ = 5577707520.

The previous prime is 27318394721. The next prime is 27318394759. The reversal of 27318394740 is 4749381372.

It is an interprime number because it is at equal distance from previous prime (27318394721) and next prime (27318394759).

It is a self number, because there is not a number n which added to its sum of digits gives 27318394740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1173292 + ... + 1196348.

It is an arithmetic number, because the mean of its divisors is an integer number (343471968).

Almost surely, 2^27318394740 is an apocalyptic number.

27318394740 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 27318394740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49459963392).

27318394740 is an abundant number, since it is smaller than the sum of its proper divisors (71601532044).

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

27318394740 is a wasteful number, since it uses less digits than its factorization.

27318394740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23127 (or 23118 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 27318394740 in words is "twenty-seven billion, three hundred eighteen million, three hundred ninety-four thousand, seven hundred forty".