4123040322440 has 128 divisors (see below), whose sum is σ = 10084102560000. Its totient is φ = 1508135666688.

The previous prime is 4123040322439. The next prime is 4123040322449. The reversal of 4123040322440 is 442230403214.

It is a super-2 number, since 2×4123040322440² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4123040322449) 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, 29294717 + ... + 29435123.

It is an arithmetic number, because the mean of its divisors is an integer number (78782051250).

Almost surely, 2^{4123040322440} is an apocalyptic number.

4123040322440 is a gapful number since it is divisible by the number (40) 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 4123040322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5042051280000).

4123040322440 is an abundant number, since it is smaller than the sum of its proper divisors (5961062237560).

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

4123040322440 is a wasteful number, since it uses less digits than its factorization.

4123040322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140959 (or 140955 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4123040322440 its reverse (442230403214), we get a palindrome (4565270725654).

The spelling of 4123040322440 in words is "four trillion, one hundred twenty-three billion, forty million, three hundred twenty-two thousand, four hundred forty".