27319400416 has 72 divisors (see below), whose sum is σ = 68254194456. Its totient is φ = 10643915520.

The previous prime is 27319400389. The next prime is 27319400417. The reversal of 27319400416 is 61400491372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27319400417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774711 + ... + 809206.

It is an arithmetic number, because the mean of its divisors is an integer number (947974923).

Almost surely, 2^27319400416 is an apocalyptic number.

It is an amenable number.

27319400416 is an abundant number, since it is smaller than the sum of its proper divisors (40934794040).

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

27319400416 is a wasteful number, since it uses less digits than its factorization.

27319400416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583952 (or 1583937 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 27319400416 its reverse (61400491372), we get a palindrome (88719891788).

The spelling of 27319400416 in words is "twenty-seven billion, three hundred nineteen million, four hundred thousand, four hundred sixteen".