1820832540000 has 120 divisors (see below), whose sum is σ = 5972695094520. Its totient is φ = 485555328000.

The previous prime is 1820832539989. The next prime is 1820832540061. The reversal of 1820832540000 is 452380281.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1820832540000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15113605 + ... + 15233604.

It is an arithmetic number, because the mean of its divisors is an integer number (49772459121).

Almost surely, 2^{1820832540000} is an apocalyptic number.

1820832540000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1820832540000 is an abundant number, since it is smaller than the sum of its proper divisors (4151862554520).

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

1820832540000 is an equidigital number, since it uses as much as digits as its factorization.

1820832540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30347242 (or 30347219 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 1820832540000 in words is "one trillion, eight hundred twenty billion, eight hundred thirty-two million, five hundred forty thousand".