27402889328 has 20 divisors (see below), whose sum is σ = 54327822648. Its totient is φ = 13382806080.

The previous prime is 27402889321. The next prime is 27402889331. The reversal of 27402889328 is 82398820472.

It is a self number, because there is not a number n which added to its sum of digits gives 27402889328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27402889321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19914203 + ... + 19915578.

Almost surely, 2^27402889328 is an apocalyptic number.

It is an amenable number.

27402889328 is a deficient number, since it is larger than the sum of its proper divisors (26924933320).

27402889328 is a wasteful number, since it uses less digits than its factorization.

27402889328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39829832 (or 39829826 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 27402889328 in words is "twenty-seven billion, four hundred two million, eight hundred eighty-nine thousand, three hundred twenty-eight".