1836454727268 has 72 divisors (see below), whose sum is σ = 5306525078400. Its totient is φ = 524581539840.

The previous prime is 1836454727267. The next prime is 1836454727347. The reversal of 1836454727268 is 8627274546381.

1836454727268 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 4 + 547 + 27 + 2 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1836454727267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276708 + ... + 1936356.

It is an arithmetic number, because the mean of its divisors is an integer number (73701737200).

Almost surely, 2^{1836454727268} is an apocalyptic number.

1836454727268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1836454727268 is an abundant number, since it is smaller than the sum of its proper divisors (3470070351132).

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

1836454727268 is a wasteful number, since it uses less digits than its factorization.

1836454727268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664057 (or 1664052 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

The spelling of 1836454727268 in words is "one trillion, eight hundred thirty-six billion, four hundred fifty-four million, seven hundred twenty-seven thousand, two hundred sixty-eight".