1839308641420 has 48 divisors (see below), whose sum is σ = 3987336729600. Its totient is φ = 711956468160.

The previous prime is 1839308641397. The next prime is 1839308641421. The reversal of 1839308641420 is 241468039381.

It is a happy number.

It is a super-2 number, since 2×1839308641420² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1839308641421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15800991 + ... + 15916969.

It is an arithmetic number, because the mean of its divisors is an integer number (83069515200).

Almost surely, 2^{1839308641420} is an apocalyptic number.

1839308641420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1839308641420 is an abundant number, since it is smaller than the sum of its proper divisors (2148028088180).

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

1839308641420 is a wasteful number, since it uses less digits than its factorization.

1839308641420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141598 (or 141596 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 1839308641420 in words is "one trillion, eight hundred thirty-nine billion, three hundred eight million, six hundred forty-one thousand, four hundred twenty".