27633448540 has 12 divisors (see below), whose sum is σ = 58030241976. Its totient is φ = 11053379408.

The previous prime is 27633448519. The next prime is 27633448547. The reversal of 27633448540 is 4584433672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27633448547) 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, 690836194 + ... + 690836233.

It is an arithmetic number, because the mean of its divisors is an integer number (4835853498).

Almost surely, 2^27633448540 is an apocalyptic number.

27633448540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27633448540 is an abundant number, since it is smaller than the sum of its proper divisors (30396793436).

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

27633448540 is a wasteful number, since it uses less digits than its factorization.

27633448540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381672436 (or 1381672434 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 27633448540 in words is "twenty-seven billion, six hundred thirty-three million, four hundred forty-eight thousand, five hundred forty".