2043234020400 has 120 divisors (see below), whose sum is σ = 6547922324304. Its totient is φ = 544632422400.

The previous prime is 2043234020393. The next prime is 2043234020413. The reversal of 2043234020400 is 40204323402.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

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 23 ways as a sum of consecutive naturals, for example, 2494240 + ... + 3210560.

Almost surely, 2^{2043234020400} is an apocalyptic number.

2043234020400 is a gapful number since it is divisible by the number (20) 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 2043234020400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3273961162152).

2043234020400 is an abundant number, since it is smaller than the sum of its proper divisors (4504688303904).

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

2043234020400 is a wasteful number, since it uses less digits than its factorization.

2043234020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718719 (or 718708 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 2043234020400 its reverse (40204323402), we get a palindrome (2083438343802).

The spelling of 2043234020400 in words is "two trillion, forty-three billion, two hundred thirty-four million, twenty thousand, four hundred".