22434431030040 has 128 divisors (see below), whose sum is σ = 68172350319360. Its totient is φ = 5905660568064.

The previous prime is 22434431030021. The next prime is 22434431030107. The reversal of 22434431030040 is 4003013443422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 546742 + ... + 6720698.

It is an arithmetic number, because the mean of its divisors is an integer number (532596486870).

Almost surely, 2^{22434431030040} is an apocalyptic number.

22434431030040 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 22434431030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34086175159680).

22434431030040 is an abundant number, since it is smaller than the sum of its proper divisors (45737919289320).

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

22434431030040 is a wasteful number, since it uses less digits than its factorization.

22434431030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174361 (or 6174357 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22434431030040 its reverse (4003013443422), we get a palindrome (26437444473462).

The spelling of 22434431030040 in words is "twenty-two trillion, four hundred thirty-four billion, four hundred thirty-one million, thirty thousand, forty".