1840673736 has 96 divisors (see below), whose sum is σ = 5504073120. Its totient is φ = 551040000.

The previous prime is 1840673717. The next prime is 1840673741. The reversal of 1840673736 is 6373760481.

It is a junction number, because it is equal to n+sod(n) for n = 1840673691 and 1840673700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51736 + ... + 79736.

It is an arithmetic number, because the mean of its divisors is an integer number (57334095).

Almost surely, 2^1840673736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840673736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752036560).

1840673736 is an abundant number, since it is smaller than the sum of its proper divisors (3663399384).

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

1840673736 is a wasteful number, since it uses less digits than its factorization.

1840673736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107 (or 28100 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 1840673736 is about 42903.0737360390. The cubic root of 1840673736 is about 1225.5346794903.

It can be divided in two parts, 1840 and 673736, that added together give a palindrome (675576).

The spelling of 1840673736 in words is "one billion, eight hundred forty million, six hundred seventy-three thousand, seven hundred thirty-six".