1402440442 has 32 divisors (see below), whose sum is σ = 2323202112. Its totient is φ = 630854784.

The previous prime is 1402440421. The next prime is 1402440451. The reversal of 1402440442 is 2440442041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655198 + ... + 657334.

It is an arithmetic number, because the mean of its divisors is an integer number (72600066).

Almost surely, 2^1402440442 is an apocalyptic number.

1402440442 is a deficient number, since it is larger than the sum of its proper divisors (920761670).

1402440442 is a wasteful number, since it uses less digits than its factorization.

1402440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1402440442 is about 37449.1714461081. The cubic root of 1402440442 is about 1119.3385874792.

Adding to 1402440442 its reverse (2440442041), we get a palindrome (3842882483).

The spelling of 1402440442 in words is "one billion, four hundred two million, four hundred forty thousand, four hundred forty-two".