1402243406 has 8 divisors (see below), whose sum is σ = 2104240464. Its totient is φ = 700829920.

The previous prime is 1402243399. The next prime is 1402243421. The reversal of 1402243406 is 6043422041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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, 139835 + ... + 149526.

It is an arithmetic number, because the mean of its divisors is an integer number (263030058).

Almost surely, 2^1402243406 is an apocalyptic number.

1402243406 is a deficient number, since it is larger than the sum of its proper divisors (701997058).

1402243406 is a wasteful number, since it uses less digits than its factorization.

1402243406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291786.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1402243406 is about 37446.5406412929. The cubic root of 1402243406 is about 1119.2861644979.

Adding to 1402243406 its reverse (6043422041), we get a palindrome (7445665447).

The spelling of 1402243406 in words is "one billion, four hundred two million, two hundred forty-three thousand, four hundred six".