2231044002040 has 128 divisors (see below), whose sum is σ = 5863269888000. Its totient is φ = 748112970240.

The previous prime is 2231044002001. The next prime is 2231044002097. The reversal of 2231044002040 is 402004401322.

It is a happy number.

It is a super-3 number, since 3×2231044002040³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18350250 + ... + 18471430.

It is an arithmetic number, because the mean of its divisors is an integer number (45806796000).

Almost surely, 2^{2231044002040} is an apocalyptic number.

2231044002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231044002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931634944000).

2231044002040 is an abundant number, since it is smaller than the sum of its proper divisors (3632225885960).

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

2231044002040 is a wasteful number, since it uses less digits than its factorization.

2231044002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122645 (or 122641 counting only the distinct ones).

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

Adding to 2231044002040 its reverse (402004401322), we get a palindrome (2633048403362).

The spelling of 2231044002040 in words is "two trillion, two hundred thirty-one billion, forty-four million, two thousand, forty".