27123490056 has 48 divisors (see below), whose sum is σ = 73426026960. Its totient is φ = 8345688000.

The previous prime is 27123489937. The next prime is 27123490067. The reversal of 27123490056 is 65009432172.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 27123489996 and 27123490023.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3339570 + ... + 3347681.

It is an arithmetic number, because the mean of its divisors is an integer number (1529708895).

Almost surely, 2^27123490056 is an apocalyptic number.

27123490056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27123490056 is an abundant number, since it is smaller than the sum of its proper divisors (46302536904).

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

27123490056 is a wasteful number, since it uses less digits than its factorization.

27123490056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687286 (or 6687269 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 27123490056 in words is "twenty-seven billion, one hundred twenty-three million, four hundred ninety thousand, fifty-six".