27453055432 has 64 divisors (see below), whose sum is σ = 57679776000. Its totient is φ = 12144095040.

The previous prime is 27453055411. The next prime is 27453055447. The reversal of 27453055432 is 23455035472.

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, 461319 + ... + 517417.

It is an arithmetic number, because the mean of its divisors is an integer number (901246500).

Almost surely, 2^27453055432 is an apocalyptic number.

27453055432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27453055432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28839888000).

27453055432 is an abundant number, since it is smaller than the sum of its proper divisors (30226720568).

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

27453055432 is a wasteful number, since it uses less digits than its factorization.

27453055432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56266 (or 56262 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 27453055432 in words is "twenty-seven billion, four hundred fifty-three million, fifty-five thousand, four hundred thirty-two".