1442669616 has 60 divisors (see below), whose sum is σ = 4187018472. Its totient is φ = 480888576.

The previous prime is 1442669597. The next prime is 1442669629. The reversal of 1442669616 is 6169662441.

It is a happy number.

1442669616 is a `hidden beast` number, since 1 + 4 + 4 + 26 + 6 + 9 + 616 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181641 + ... + 189416.

Almost surely, 2^1442669616 is an apocalyptic number.

1442669616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1442669616 is an abundant number, since it is smaller than the sum of its proper divisors (2744348856).

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

1442669616 is an equidigital number, since it uses as much as digits as its factorization.

1442669616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371080 (or 371062 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 1442669616 is about 37982.4909135775. The cubic root of 1442669616 is about 1129.9406385398.

The spelling of 1442669616 in words is "one billion, four hundred forty-two million, six hundred sixty-nine thousand, six hundred sixteen".