27002400812 has 24 divisors (see below), whose sum is σ = 47378041200. Its totient is φ = 13465866816.

The previous prime is 27002400811. The next prime is 27002400839. The reversal of 27002400812 is 21800420072.

It is a super-2 number, since 2×27002400812² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27002400811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516114 + ... + 2526822.

It is an arithmetic number, because the mean of its divisors is an integer number (1974085050).

Almost surely, 2^27002400812 is an apocalyptic number.

It is an amenable number.

27002400812 is a deficient number, since it is larger than the sum of its proper divisors (20375640388).

27002400812 is a wasteful number, since it uses less digits than its factorization.

27002400812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305 (or 12303 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 27002400812 its reverse (21800420072), we get a palindrome (48802820884).

The spelling of 27002400812 in words is "twenty-seven billion, two million, four hundred thousand, eight hundred twelve".