2043434042400 has 72 divisors (see below), whose sum is σ = 6651377815824. Its totient is φ = 544915744000.

The previous prime is 2043434042399. The next prime is 2043434042407. The reversal of 2043434042400 is 42404343402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2043434042407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425713026 + ... + 425717825.

It is an arithmetic number, because the mean of its divisors is an integer number (92380247442).

Almost surely, 2^{2043434042400} is an apocalyptic number.

2043434042400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043434042400 is an abundant number, since it is smaller than the sum of its proper divisors (4607943773424).

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

2043434042400 is a wasteful number, since it uses less digits than its factorization.

2043434042400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851430874 (or 851430861 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 2043434042400 its reverse (42404343402), we get a palindrome (2085838385802).

The spelling of 2043434042400 in words is "two trillion, forty-three billion, four hundred thirty-four million, forty-two thousand, four hundred".