11040402402 has 48 divisors (see below), whose sum is σ = 24085676160. Its totient is φ = 3654856800.

The previous prime is 11040402389. The next prime is 11040402407. The reversal of 11040402402 is 20420404011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11040402407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930327 + ... + 1936037.

It is an arithmetic number, because the mean of its divisors is an integer number (501784920).

Almost surely, 2^11040402402 is an apocalyptic number.

11040402402 is an abundant number, since it is smaller than the sum of its proper divisors (13045273758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11040402402 is a wasteful number, since it uses less digits than its factorization.

11040402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439 (or 6436 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 11040402402 its reverse (20420404011), we get a palindrome (31460806413).

The spelling of 11040402402 in words is "eleven billion, forty million, four hundred two thousand, four hundred two".