2144103400440 has 48 divisors (see below), whose sum is σ = 6968336052600. Its totient is φ = 571760906688.

The previous prime is 2144103400423. The next prime is 2144103400487. The reversal of 2144103400440 is 440043014412.

2144103400440 is a `hidden beast` number, since 214 + 4 + 1 + 0 + 3 + 4 + 0 + 0 + 440 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2977921030 + ... + 2977921749.

Almost surely, 2^{2144103400440} is an apocalyptic number.

2144103400440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144103400440 is an abundant number, since it is smaller than the sum of its proper divisors (4824232652160).

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

2144103400440 is a wasteful number, since it uses less digits than its factorization.

2144103400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955842796 (or 5955842789 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2144103400440 its reverse (440043014412), we get a palindrome (2584146414852).

The spelling of 2144103400440 in words is "two trillion, one hundred forty-four billion, one hundred three million, four hundred thousand, four hundred forty".