1425616344 has 48 divisors (see below), whose sum is σ = 3985600320. Its totient is φ = 459875520.

The previous prime is 1425616333. The next prime is 1425616349. The reversal of 1425616344 is 4436165241.

1425616344 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 616 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1425616299 and 1425616308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425616349) 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 11 ways as a sum of consecutive naturals, for example, 317127 + ... + 321590.

It is an arithmetic number, because the mean of its divisors is an integer number (83033340).

Almost surely, 2^1425616344 is an apocalyptic number.

It is an amenable number.

1425616344 is an abundant number, since it is smaller than the sum of its proper divisors (2559983976).

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

1425616344 is a wasteful number, since it uses less digits than its factorization.

1425616344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638760 (or 638753 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1425616344 is about 37757.3349695129. The cubic root of 1425616344 is about 1125.4707742288.

The spelling of 1425616344 in words is "one billion, four hundred twenty-five million, six hundred sixteen thousand, three hundred forty-four".