1404340402 has 16 divisors (see below), whose sum is σ = 2169682200. Its totient is φ = 681222528.

The previous prime is 1404340381. The next prime is 1404340411. The reversal of 1404340402 is 2040434041.

It can be written as a sum of positive squares in 4 ways, for example, as 1368926001 + 35414401 = 36999^2 + 5951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 53014.

Almost surely, 2^1404340402 is an apocalyptic number.

1404340402 is a deficient number, since it is larger than the sum of its proper divisors (765341798).

1404340402 is a wasteful number, since it uses less digits than its factorization.

1404340402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54765.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1404340402 is about 37474.5300437510. The cubic root of 1404340402 is about 1119.8438350504.

Adding to 1404340402 its reverse (2040434041), we get a palindrome (3444774443).

It can be divided in two parts, 14043 and 40402, that added together give a palindrome (54445).

The spelling of 1404340402 in words is "one billion, four hundred four million, three hundred forty thousand, four hundred two".