1806145837430 has 32 divisors (see below), whose sum is σ = 3755237980320. Its totient is φ = 618146168320.

The previous prime is 1806145837417. The next prime is 1806145837451. The reversal of 1806145837430 is 347385416081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482924825 + ... + 482928564.

It is an arithmetic number, because the mean of its divisors is an integer number (117351186885).

Almost surely, 2^{1806145837430} is an apocalyptic number.

1806145837430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1806145837430 is an abundant number, since it is smaller than the sum of its proper divisors (1949092142890).

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

1806145837430 is a wasteful number, since it uses less digits than its factorization.

1806145837430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965853424.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 1806145837430 in words is "one trillion, eight hundred six billion, one hundred forty-five million, eight hundred thirty-seven thousand, four hundred thirty".