27146225644 has 12 divisors (see below), whose sum is σ = 47686527504. Its totient is φ = 13521503504.

The previous prime is 27146225633. The next prime is 27146225657. The reversal of 27146225644 is 44652264172.

It is a self number, because there is not a number n which added to its sum of digits gives 27146225644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12901147 + ... + 12903250.

It is an arithmetic number, because the mean of its divisors is an integer number (3973877292).

Almost surely, 2^27146225644 is an apocalyptic number.

It is an amenable number.

27146225644 is a deficient number, since it is larger than the sum of its proper divisors (20540301860).

27146225644 is a wasteful number, since it uses less digits than its factorization.

27146225644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804664 (or 25804662 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The spelling of 27146225644 in words is "twenty-seven billion, one hundred forty-six million, two hundred twenty-five thousand, six hundred forty-four".