27045415400 has 24 divisors (see below), whose sum is σ = 62880591270. Its totient is φ = 10818166080.

The previous prime is 27045415363. The next prime is 27045415427. The reversal of 27045415400 is 451454072.

It can be written as a sum of positive squares in 3 ways, for example, as 9937298596 + 17108116804 = 99686^2 + 130798^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67613339 + ... + 67613738.

Almost surely, 2^27045415400 is an apocalyptic number.

27045415400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27045415400 is an abundant number, since it is smaller than the sum of its proper divisors (35835175870).

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

27045415400 is a wasteful number, since it uses less digits than its factorization.

27045415400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135227093 (or 135227084 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

Adding to 27045415400 its reverse (451454072), we get a palindrome (27496869472).

The spelling of 27045415400 in words is "twenty-seven billion, forty-five million, four hundred fifteen thousand, four hundred".