1804640403730 has 16 divisors (see below), whose sum is σ = 3256105366080. Its totient is φ = 720133352752.

The previous prime is 1804640403721. The next prime is 1804640403791. The reversal of 1804640403730 is 373040464081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215346694 + ... + 215355073.

It is an arithmetic number, because the mean of its divisors is an integer number (203506585380).

Almost surely, 2^{1804640403730} is an apocalyptic number.

1804640403730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1804640403730 is a deficient number, since it is larger than the sum of its proper divisors (1451464962350).

1804640403730 is a wasteful number, since it uses less digits than its factorization.

1804640403730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430702193.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 1804640403730 in words is "one trillion, eight hundred four billion, six hundred forty million, four hundred three thousand, seven hundred thirty".