2043454221380 has 48 divisors (see below), whose sum is σ = 5041473079104. Its totient is φ = 685914702720.

The previous prime is 2043454221337. The next prime is 2043454221397. The reversal of 2043454221380 is 831224543402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357244382 + ... + 357250101.

It is an arithmetic number, because the mean of its divisors is an integer number (105030689148).

Almost surely, 2^{2043454221380} is an apocalyptic number.

2043454221380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043454221380 is an abundant number, since it is smaller than the sum of its proper divisors (2998018857724).

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

2043454221380 is a wasteful number, since it uses less digits than its factorization.

2043454221380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714494516 (or 714494514 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 2043454221380 its reverse (831224543402), we get a palindrome (2874678764782).

The spelling of 2043454221380 in words is "two trillion, forty-three billion, four hundred fifty-four million, two hundred twenty-one thousand, three hundred eighty".