1814868432 has 60 divisors (see below), whose sum is σ = 5469817444. Its totient is φ = 558420480.

The previous prime is 1814868431. The next prime is 1814868443. The reversal of 1814868432 is 2348684181.

1814868432 is a `hidden beast` number, since 18 + 148 + 68 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1196053056 + 618815376 = 34584^2 + 24876^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814868431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482869 + ... + 486612.

Almost surely, 2^1814868432 is an apocalyptic number.

1814868432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1814868432 is an abundant number, since it is smaller than the sum of its proper divisors (3654949012).

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

1814868432 is a wasteful number, since it uses less digits than its factorization.

1814868432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969508 (or 969499 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 1814868432 is about 42601.2726570463. The cubic root of 1814868432 is about 1219.7805822366.

The spelling of 1814868432 in words is "one billion, eight hundred fourteen million, eight hundred sixty-eight thousand, four hundred thirty-two".