27141654864 has 40 divisors (see below), whose sum is σ = 70388798400. Its totient is φ = 9012011008.

The previous prime is 27141654851. The next prime is 27141654871. The reversal of 27141654864 is 46845614172.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087764 + ... + 1112435.

It is an arithmetic number, because the mean of its divisors is an integer number (1759719960).

Almost surely, 2^27141654864 is an apocalyptic number.

27141654864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27141654864 is an abundant number, since it is smaller than the sum of its proper divisors (43247143536).

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

27141654864 is a wasteful number, since it uses less digits than its factorization.

27141654864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200467 (or 2200461 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 27141654864 in words is "twenty-seven billion, one hundred forty-one million, six hundred fifty-four thousand, eight hundred sixty-four".