11402004400 has 30 divisors (see below), whose sum is σ = 27393316532. Its totient is φ = 4560801600.

The previous prime is 11402004391. The next prime is 11402004421. The reversal of 11402004400 is 440020411.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14252106 + ... + 14252905.

Almost surely, 2^11402004400 is an apocalyptic number.

11402004400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402004400 is an abundant number, since it is smaller than the sum of its proper divisors (15991312132).

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

11402004400 is a wasteful number, since it uses less digits than its factorization.

11402004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28505029 (or 28505018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11402004400 its reverse (440020411), we get a palindrome (11842024811).

The spelling of 11402004400 in words is "eleven billion, four hundred two million, four thousand, four hundred".