11142344400 has 120 divisors (see below), whose sum is σ = 38937475104. Its totient is φ = 2701171200.

The previous prime is 11142344399. The next prime is 11142344419. The reversal of 11142344400 is 444324111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11142344400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408859 + ... + 435258.

Almost surely, 2^11142344400 is an apocalyptic number.

11142344400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142344400 is an abundant number, since it is smaller than the sum of its proper divisors (27795130704).

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

11142344400 is a wasteful number, since it uses less digits than its factorization.

11142344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844149 (or 844138 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11142344400 its reverse (444324111), we get a palindrome (11586668511).

The spelling of 11142344400 in words is "eleven billion, one hundred forty-two million, three hundred forty-four thousand, four hundred".