1826379892820 has 48 divisors (see below), whose sum is σ = 4386271938048. Its totient is φ = 625764506880.

The previous prime is 1826379892817. The next prime is 1826379892877. The reversal of 1826379892820 is 282989736281.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4196972 + ... + 4611651.

It is an arithmetic number, because the mean of its divisors is an integer number (91380665376).

Almost surely, 2^{1826379892820} is an apocalyptic number.

1826379892820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1826379892820 is an abundant number, since it is smaller than the sum of its proper divisors (2559892045228).

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

1826379892820 is a wasteful number, since it uses less digits than its factorization.

1826379892820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810120 (or 8810118 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 1826379892820 in words is "one trillion, eight hundred twenty-six billion, three hundred seventy-nine million, eight hundred ninety-two thousand, eight hundred twenty".