27475413504 has 160 divisors (see below), whose sum is σ = 91258016256. Its totient is φ = 7136440320.

The previous prime is 27475413503. The next prime is 27475413509. The reversal of 27475413504 is 40531457472.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (27475413503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 234425.

Almost surely, 2^27475413504 is an apocalyptic number.

27475413504 is a gapful number since it is divisible by the number (24) 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 27475413504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45629008128).

27475413504 is an abundant number, since it is smaller than the sum of its proper divisors (63782602752).

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

27475413504 is a wasteful number, since it uses less digits than its factorization.

27475413504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232346 (or 232330 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 27475413504 in words is "twenty-seven billion, four hundred seventy-five million, four hundred thirteen thousand, five hundred four".