27402220472 has 24 divisors (see below), whose sum is σ = 56474619600. Its totient is φ = 12455554320.

The previous prime is 27402220471. The next prime is 27402220523.

27402220472 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27402220471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14153072 + ... + 14155007.

It is an arithmetic number, because the mean of its divisors is an integer number (2353109150).

Almost surely, 2^27402220472 is an apocalyptic number.

27402220472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27402220472 is an abundant number, since it is smaller than the sum of its proper divisors (29072399128).

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

27402220472 is a wasteful number, since it uses less digits than its factorization.

27402220472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28308107 (or 28308092 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The spelling of 27402220472 in words is "twenty-seven billion, four hundred two million, two hundred twenty thousand, four hundred seventy-two".