11402404402 has 4 divisors (see below), whose sum is σ = 17103606606. Its totient is φ = 5701202200.

The previous prime is 11402404381. The next prime is 11402404427. The reversal of 11402404402 is 20440420411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8330030361 + 3072374041 = 91269^2 + 55429^2 .

It is a super-2 number, since 2×11402404402² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850601099 + ... + 2850601102.

Almost surely, 2^11402404402 is an apocalyptic number.

11402404402 is a deficient number, since it is larger than the sum of its proper divisors (5701202204).

11402404402 is an equidigital number, since it uses as much as digits as its factorization.

11402404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701202203.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 11402404402 its reverse (20440420411), we get a palindrome (31842824813).

The spelling of 11402404402 in words is "eleven billion, four hundred two million, four hundred four thousand, four hundred two".