1402444442 has 16 divisors (see below), whose sum is σ = 2462830272. Its totient is φ = 586387680.

The previous prime is 1402444429. The next prime is 1402444447. The reversal of 1402444442 is 2444442041.

It is not an unprimeable number, because it can be changed into a prime (1402444447) 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, 1221068 + ... + 1222215.

It is an arithmetic number, because the mean of its divisors is an integer number (153926892).

Almost surely, 2^1402444442 is an apocalyptic number.

1402444442 is a deficient number, since it is larger than the sum of its proper divisors (1060385830).

1402444442 is a wasteful number, since it uses less digits than its factorization.

1402444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443333.

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 1402444442 is about 37449.2248517910. The cubic root of 1402444442 is about 1119.3396516599.

Adding to 1402444442 its reverse (2444442041), we get a palindrome (3846886483).

The spelling of 1402444442 in words is "one billion, four hundred two million, four hundred forty-four thousand, four hundred forty-two".