40124244024 has 128 divisors (see below), whose sum is σ = 113972443200. Its totient is φ = 13074647040.

The previous prime is 40124244019. The next prime is 40124244071. The reversal of 40124244024 is 42044242104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3210652 + ... + 3223124.

Almost surely, 2^40124244024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40124244024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56986221600).

40124244024 is an abundant number, since it is smaller than the sum of its proper divisors (73848199176).

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

40124244024 is a wasteful number, since it uses less digits than its factorization.

40124244024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12822 (or 12812 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 40124244024 its reverse (42044242104), we get a palindrome (82168486128).

The spelling of 40124244024 in words is "forty billion, one hundred twenty-four million, two hundred forty-four thousand, twenty-four".