1426431742 has 32 divisors (see below), whose sum is σ = 2218475520. Its totient is φ = 687566880.

The previous prime is 1426431709. The next prime is 1426431751. The reversal of 1426431742 is 2471346241.

It is a junction number, because it is equal to n+sod(n) for n = 1426431698 and 1426431707.

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, 1343892 + ... + 1344952.

It is an arithmetic number, because the mean of its divisors is an integer number (69327360).

Almost surely, 2^1426431742 is an apocalyptic number.

1426431742 is a deficient number, since it is larger than the sum of its proper divisors (792043778).

1426431742 is a wasteful number, since it uses less digits than its factorization.

1426431742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its digits is 32256, while the sum is 34.

The square root of 1426431742 is about 37768.1313014028. The cubic root of 1426431742 is about 1125.6853087383.

Adding to 1426431742 its reverse (2471346241), we get a palindrome (3897777983).

The spelling of 1426431742 in words is "one billion, four hundred twenty-six million, four hundred thirty-one thousand, seven hundred forty-two".