1402406804 has 24 divisors (see below), whose sum is σ = 2527289856. Its totient is φ = 680504000.

The previous prime is 1402406767. The next prime is 1402406809. The reversal of 1402406804 is 4086042041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402406809) 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, 8939 + ... + 53709.

It is an arithmetic number, because the mean of its divisors is an integer number (105303744).

Almost surely, 2^1402406804 is an apocalyptic number.

It is an amenable number.

1402406804 is a deficient number, since it is larger than the sum of its proper divisors (1124883052).

1402406804 is a wasteful number, since it uses less digits than its factorization.

1402406804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45007 (or 45005 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1402406804 is about 37448.7223280047. The cubic root of 1402406804 is about 1119.3296381717.

Adding to 1402406804 its reverse (4086042041), we get a palindrome (5488448845).

The spelling of 1402406804 in words is "one billion, four hundred two million, four hundred six thousand, eight hundred four".