21040114400244 has 18 divisors (see below), whose sum is σ = 53184733622930. Its totient is φ = 7013371466736.

The previous prime is 21040114400203. The next prime is 21040114400269. The reversal of 21040114400244 is 44200441104012.

It is a happy number.

21040114400244 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 0 + 1 + 14 + 400 + 244 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20650753376100 + 389361024144 = 4544310^2 + 623988^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-4 number, since 4×21040114400244⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292223811079 + ... + 292223811150.

Almost surely, 2^{21040114400244} is an apocalyptic number.

It is an amenable number.

21040114400244 is an abundant number, since it is smaller than the sum of its proper divisors (32144619222686).

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

21040114400244 is a wasteful number, since it uses less digits than its factorization.

21040114400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584447622239 (or 584447622234 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 21040114400244 its reverse (44200441104012), we get a palindrome (65240555504256).

The spelling of 21040114400244 in words is "twenty-one trillion, forty billion, one hundred fourteen million, four hundred thousand, two hundred forty-four".