1814940739272 has 32 divisors (see below), whose sum is σ = 4537389837600. Its totient is φ = 604975181184.

The previous prime is 1814940739243. The next prime is 1814940739273. The reversal of 1814940739272 is 2729370494181.

It is not an unprimeable number, because it can be changed into a prime (1814940739273) 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, 3596979 + ... + 4070397.

It is an arithmetic number, because the mean of its divisors is an integer number (141793432425).

Almost surely, 2^{1814940739272} is an apocalyptic number.

1814940739272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1814940739272 is an abundant number, since it is smaller than the sum of its proper divisors (2722449098328).

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

1814940739272 is a wasteful number, since it uses less digits than its factorization.

1814940739272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633165 (or 633161 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 1814940739272 in words is "one trillion, eight hundred fourteen billion, nine hundred forty million, seven hundred thirty-nine thousand, two hundred seventy-two".