1424875644 has 24 divisors (see below), whose sum is σ = 3694122320. Its totient is φ = 474958512.

The previous prime is 1424875643. The next prime is 1424875651. The reversal of 1424875644 is 4465784241.

1424875644 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 87 + 564 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1424875644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424875643) 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, 6596539 + ... + 6596754.

Almost surely, 2^1424875644 is an apocalyptic number.

It is an amenable number.

1424875644 is an abundant number, since it is smaller than the sum of its proper divisors (2269246676).

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

1424875644 is a wasteful number, since it uses less digits than its factorization.

1424875644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13193306 (or 13193298 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 1424875644 is about 37747.5250049589. The cubic root of 1424875644 is about 1125.2758221475.

The spelling of 1424875644 in words is "one billion, four hundred twenty-four million, eight hundred seventy-five thousand, six hundred forty-four".