2444020420040 has 16 divisors (see below), whose sum is σ = 5499045945180. Its totient is φ = 977608168000.

The previous prime is 2444020420019. The next prime is 2444020420057. The reversal of 2444020420040 is 400240204442.

It can be written as a sum of positive squares in 2 ways, for example, as 2149173592036 + 294846828004 = 1466006^2 + 542998^2 .

It is a super-3 number, since 3×2444020420040³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2444020419991 and 2444020420009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30550255211 + ... + 30550255290.

Almost surely, 2^{2444020420040} is an apocalyptic number.

2444020420040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444020420040 is an abundant number, since it is smaller than the sum of its proper divisors (3055025525140).

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

2444020420040 is a wasteful number, since it uses less digits than its factorization.

2444020420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61100510512 (or 61100510508 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2444020420040 its reverse (400240204442), we get a palindrome (2844260624482).

The spelling of 2444020420040 in words is "two trillion, four hundred forty-four billion, twenty million, four hundred twenty thousand, forty".