1442002404 has 24 divisors (see below), whose sum is σ = 3365759488. Its totient is φ = 480512160.

The previous prime is 1442002381. The next prime is 1442002433. The reversal of 1442002404 is 4042002441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22974 + ... + 58410.

Almost surely, 2^1442002404 is an apocalyptic number.

It is an amenable number.

1442002404 is an abundant number, since it is smaller than the sum of its proper divisors (1923757084).

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

1442002404 is a wasteful number, since it uses less digits than its factorization.

1442002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835 (or 38833 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1442002404 is about 37973.7067455891. The cubic root of 1442002404 is about 1129.7664184230.

Adding to 1442002404 its reverse (4042002441), we get a palindrome (5484004845).

The spelling of 1442002404 in words is "one billion, four hundred forty-two million, two thousand, four hundred four".