1402433444 has 24 divisors (see below), whose sum is σ = 2471750400. Its totient is φ = 696235680.

The previous prime is 1402433443. The next prime is 1402433447. The reversal of 1402433444 is 4443342041.

It is a happy number.

It is a super-2 number, since 2×1402433444² = 3933639129699402272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1402433443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402542 + ... + 406010.

It is an arithmetic number, because the mean of its divisors is an integer number (102989600).

Almost surely, 2^1402433444 is an apocalyptic number.

It is an amenable number.

1402433444 is a deficient number, since it is larger than the sum of its proper divisors (1069316956).

1402433444 is a wasteful number, since it uses less digits than its factorization.

1402433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163 (or 4161 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1402433444 is about 37449.0780126828. The cubic root of 1402433444 is about 1119.3367256903.

Adding to 1402433444 its reverse (4443342041), we get a palindrome (5845775485).

The spelling of 1402433444 in words is "one billion, four hundred two million, four hundred thirty-three thousand, four hundred forty-four".