1425831344 has 40 divisors (see below), whose sum is σ = 3342919968. Its totient is φ = 575124480.

The previous prime is 1425831343. The next prime is 1425831397. The reversal of 1425831344 is 4431385241.

It is not an unprimeable number, because it can be changed into a prime (1425831343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372527 + ... + 376334.

Almost surely, 2^1425831344 is an apocalyptic number.

1425831344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1425831344 is an abundant number, since it is smaller than the sum of its proper divisors (1917088624).

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

1425831344 is a wasteful number, since it uses less digits than its factorization.

1425831344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748893 (or 748887 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 1425831344 is about 37760.1819910869. The cubic root of 1425831344 is about 1125.5273495372.

The spelling of 1425831344 in words is "one billion, four hundred twenty-five million, eight hundred thirty-one thousand, three hundred forty-four".