27561153460 has 48 divisors (see below), whose sum is σ = 61245580032. Its totient is φ = 10396601600.

The previous prime is 27561153413. The next prime is 27561153493. The reversal of 27561153460 is 6435116572.

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, 389281 + ... + 454600.

It is an arithmetic number, because the mean of its divisors is an integer number (1275949584).

Almost surely, 2^27561153460 is an apocalyptic number.

27561153460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27561153460 is an abundant number, since it is smaller than the sum of its proper divisors (33684426572).

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

27561153460 is a wasteful number, since it uses less digits than its factorization.

27561153460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843984 (or 843982 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 27561153460 in words is "twenty-seven billion, five hundred sixty-one million, one hundred fifty-three thousand, four hundred sixty".