27042748500 has 48 divisors (see below), whose sum is σ = 78748488000. Its totient is φ = 7211399200.

The previous prime is 27042748489. The next prime is 27042748511. The reversal of 27042748500 is 584724072.

It is an interprime number because it is at equal distance from previous prime (27042748489) and next prime (27042748511).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9012750 + ... + 9015749.

It is an arithmetic number, because the mean of its divisors is an integer number (1640593500).

Almost surely, 2^27042748500 is an apocalyptic number.

27042748500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27042748500 is an abundant number, since it is smaller than the sum of its proper divisors (51705739500).

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

27042748500 is a wasteful number, since it uses less digits than its factorization.

27042748500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028521 (or 18028509 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 27042748500 in words is "twenty-seven billion, forty-two million, seven hundred forty-eight thousand, five hundred".