1426432344 has 32 divisors (see below), whose sum is σ = 3570603120. Its totient is φ = 474874496.

The previous prime is 1426432297. The next prime is 1426432349. The reversal of 1426432344 is 4432346241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426432349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159 + ... + 56414.

Almost surely, 2^1426432344 is an apocalyptic number.

It is an amenable number.

1426432344 is an abundant number, since it is smaller than the sum of its proper divisors (2144170776).

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

1426432344 is a wasteful number, since it uses less digits than its factorization.

1426432344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75379 (or 75375 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

The square root of 1426432344 is about 37768.1392710840. The cubic root of 1426432344 is about 1125.6854670968.

Adding to 1426432344 its reverse (4432346241), we get a palindrome (5858778585).

The spelling of 1426432344 in words is "one billion, four hundred twenty-six million, four hundred thirty-two thousand, three hundred forty-four".