1240031423022 has 64 divisors (see below), whose sum is σ = 2985293568000. Its totient is φ = 335449680480.

The previous prime is 1240031422999. The next prime is 1240031423023. The reversal of 1240031423022 is 2203241300421.

It is a happy number.

It is a super-2 number, since 2×1240031423022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240031422983 and 1240031423001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240031423023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898497 + ... + 1813107.

It is an arithmetic number, because the mean of its divisors is an integer number (46645212000).

Almost surely, 2^{1240031423022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240031423022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492646784000).

1240031423022 is an abundant number, since it is smaller than the sum of its proper divisors (1745262144978).

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

1240031423022 is a wasteful number, since it uses less digits than its factorization.

1240031423022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916341.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1240031423022 its reverse (2203241300421), we get a palindrome (3443272723443).

The spelling of 1240031423022 in words is "one trillion, two hundred forty billion, thirty-one million, four hundred twenty-three thousand, twenty-two".