2240420400444 has 48 divisors (see below), whose sum is σ = 5457733908480. Its totient is φ = 713970628800.

The previous prime is 2240420400443. The next prime is 2240420400511. The reversal of 2240420400444 is 4440040240422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240420400443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541859 + ... + 2618810.

It is an arithmetic number, because the mean of its divisors is an integer number (113702789760).

Almost surely, 2^{2240420400444} is an apocalyptic number.

It is an amenable number.

2240420400444 is an abundant number, since it is smaller than the sum of its proper divisors (3217313508036).

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

2240420400444 is a wasteful number, since it uses less digits than its factorization.

2240420400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162650 (or 4162648 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2240420400444 its reverse (4440040240422), we get a palindrome (6680460640866).

The spelling of 2240420400444 in words is "two trillion, two hundred forty billion, four hundred twenty million, four hundred thousand, four hundred forty-four".