1402430444 has 12 divisors (see below), whose sum is σ = 2454517800. Its totient is φ = 701139648.

The previous prime is 1402430431. The next prime is 1402430467. The reversal of 1402430444 is 4440342041.

It is a happy number.

It is a super-2 number, since 2×1402430444² = 3933622300516074272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54767 + ... + 76185.

It is an arithmetic number, because the mean of its divisors is an integer number (204543150).

Almost surely, 2^1402430444 is an apocalyptic number.

It is an amenable number.

1402430444 is a deficient number, since it is larger than the sum of its proper divisors (1052087356).

1402430444 is a wasteful number, since it uses less digits than its factorization.

1402430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37792 (or 37790 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1402430444 is about 37449.0379582707. The cubic root of 1402430444 is about 1119.3359275508.

Adding to 1402430444 its reverse (4440342041), we get a palindrome (5842772485).

The spelling of 1402430444 in words is "one billion, four hundred two million, four hundred thirty thousand, four hundred forty-four".