27752867540 has 48 divisors (see below), whose sum is σ = 61910557632. Its totient is φ = 10414066176.

The previous prime is 27752867539. The next prime is 27752867599. The reversal of 27752867540 is 4576825772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28562 + ... + 237321.

It is an arithmetic number, because the mean of its divisors is an integer number (1289803284).

Almost surely, 2^27752867540 is an apocalyptic number.

27752867540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27752867540 is an abundant number, since it is smaller than the sum of its proper divisors (34157690092).

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

27752867540 is a wasteful number, since it uses less digits than its factorization.

27752867540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266216 (or 266214 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 27752867540 in words is "twenty-seven billion, seven hundred fifty-two million, eight hundred sixty-seven thousand, five hundred forty".