2043400334342 has 16 divisors (see below), whose sum is σ = 3226459248240. Its totient is φ = 967915173888.

The previous prime is 2043400334341. The next prime is 2043400334359. The reversal of 2043400334342 is 2434330043402.

It is a junction number, because it is equal to n+sod(n) for n = 2043400334299 and 2043400334308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043400334341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626078 + ... + 4151534.

It is an arithmetic number, because the mean of its divisors is an integer number (201653703015).

Almost surely, 2^{2043400334342} is an apocalyptic number.

2043400334342 is a deficient number, since it is larger than the sum of its proper divisors (1183058913898).

2043400334342 is a wasteful number, since it uses less digits than its factorization.

2043400334342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627815.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 2043400334342 its reverse (2434330043402), we get a palindrome (4477730377744).

The spelling of 2043400334342 in words is "two trillion, forty-three billion, four hundred million, three hundred thirty-four thousand, three hundred forty-two".