1826490611280 has 160 divisors (see below), whose sum is σ = 5742353180160. Its totient is φ = 480180879360.

The previous prime is 1826490611273. The next prime is 1826490611303. The reversal of 1826490611280 is 821160946281.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 12688510 + ... + 12831650.

It is an arithmetic number, because the mean of its divisors is an integer number (35889707376).

Almost surely, 2^{1826490611280} is an apocalyptic number.

1826490611280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1826490611280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2871176590080).

1826490611280 is an abundant number, since it is smaller than the sum of its proper divisors (3915862568880).

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

1826490611280 is a wasteful number, since it uses less digits than its factorization.

1826490611280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143909 (or 143903 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 1826490611280 in words is "one trillion, eight hundred twenty-six billion, four hundred ninety million, six hundred eleven thousand, two hundred eighty".