2044003012420 has 24 divisors (see below), whose sum is σ = 4408417309464. Its totient is φ = 795503874816.

The previous prime is 2044003012357. The next prime is 2044003012421. The reversal of 2044003012420 is 242103004402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76761135364 + 1967241877056 = 277058^2 + 1402584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2044003012391 and 2044003012400.

It is not an unprimeable number, because it can be changed into a prime (2044003012421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381082377 + ... + 1381083856.

It is an arithmetic number, because the mean of its divisors is an integer number (183684054561).

Almost surely, 2^{2044003012420} is an apocalyptic number.

2044003012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044003012420 is an abundant number, since it is smaller than the sum of its proper divisors (2364414297044).

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

2044003012420 is a wasteful number, since it uses less digits than its factorization.

2044003012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762166279 (or 2762166277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2044003012420 its reverse (242103004402), we get a palindrome (2286106016822).

The spelling of 2044003012420 in words is "two trillion, forty-four billion, three million, twelve thousand, four hundred twenty".