18445776727276 has 24 divisors (see below), whose sum is σ = 32644132889760. Its totient is φ = 9118890033792.

The previous prime is 18445776727249. The next prime is 18445776727277. The reversal of 18445776727276 is 67272767754481.

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18445776727199 and 18445776727208.

It is not an unprimeable number, because it can be changed into a prime (18445776727277) 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, 7830721 + ... + 9910183.

It is an arithmetic number, because the mean of its divisors is an integer number (1360172203740).

Almost surely, 2^{18445776727276} is an apocalyptic number.

It is an amenable number.

18445776727276 is a deficient number, since it is larger than the sum of its proper divisors (14198356162484).

18445776727276 is a wasteful number, since it uses less digits than its factorization.

18445776727276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104473 (or 2104471 counting only the distinct ones).

The product of its digits is 1548933120, while the sum is 73.

The spelling of 18445776727276 in words is "eighteen trillion, four hundred forty-five billion, seven hundred seventy-six million, seven hundred twenty-seven thousand, two hundred seventy-six".