11402044400 has 60 divisors (see below), whose sum is σ = 28835189400. Its totient is φ = 4320771840.

The previous prime is 11402044387. The next prime is 11402044411. The reversal of 11402044400 is 444020411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742535 + ... + 757734.

It is an arithmetic number, because the mean of its divisors is an integer number (480586490).

Almost surely, 2^11402044400 is an apocalyptic number.

11402044400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402044400 is an abundant number, since it is smaller than the sum of its proper divisors (17433145000).

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

11402044400 is a wasteful number, since it uses less digits than its factorization.

11402044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500306 (or 1500295 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11402044400 its reverse (444020411), we get a palindrome (11846064811).

The spelling of 11402044400 in words is "eleven billion, four hundred two million, forty-four thousand, four hundred".