1442304402 has 64 divisors (see below), whose sum is σ = 3785702400. Its totient is φ = 354905280.

The previous prime is 1442304389. The next prime is 1442304407. The reversal of 1442304402 is 2044032441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1442304407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73377 + ... + 90932.

It is an arithmetic number, because the mean of its divisors is an integer number (59151600).

Almost surely, 2^1442304402 is an apocalyptic number.

1442304402 is an abundant number, since it is smaller than the sum of its proper divisors (2343397998).

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

1442304402 is a wasteful number, since it uses less digits than its factorization.

1442304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164351.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1442304402 is about 37977.6829466991. The cubic root of 1442304402 is about 1129.8452817644.

Adding to 1442304402 its reverse (2044032441), we get a palindrome (3486336843).

The spelling of 1442304402 in words is "one billion, four hundred forty-two million, three hundred four thousand, four hundred two".