2043403321980 has 48 divisors (see below), whose sum is σ = 5829482693664. Its totient is φ = 534626277120.

The previous prime is 2043403321979. The next prime is 2043403322047. The reversal of 2043403321980 is 891233043402.

It is a super-2 number, since 2×2043403321980² (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 15 ways as a sum of consecutive naturals, for example, 321286651 + ... + 321293010.

It is an arithmetic number, because the mean of its divisors is an integer number (121447556118).

Almost surely, 2^{2043403321980} is an apocalyptic number.

2043403321980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043403321980 is an abundant number, since it is smaller than the sum of its proper divisors (3786079371684).

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

2043403321980 is a wasteful number, since it uses less digits than its factorization.

2043403321980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642579726 (or 642579724 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 2043403321980 in words is "two trillion, forty-three billion, four hundred three million, three hundred twenty-one thousand, nine hundred eighty".