1840004352 has 54 divisors (see below), whose sum is σ = 5305192802. Its totient is φ = 613334016.

The previous prime is 1840004329. The next prime is 1840004359. The reversal of 1840004352 is 2534000481.

It can be written as a sum of positive squares in only one way, i.e., 1135420416 + 704583936 = 33696^2 + 26544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840004359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397003 + ... + 401610.

Almost surely, 2^1840004352 is an apocalyptic number.

1840004352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840004352 is an abundant number, since it is smaller than the sum of its proper divisors (3465188450).

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

1840004352 is an equidigital number, since it uses as much as digits as its factorization.

1840004352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798635 (or 798618 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1840004352 is about 42895.2719072860. The cubic root of 1840004352 is about 1225.3861011457.

The spelling of 1840004352 in words is "one billion, eight hundred forty million, four thousand, three hundred fifty-two".