40122244320 has 96 divisors (see below), whose sum is σ = 127142120448. Its totient is φ = 10635176448.

The previous prime is 40122244313. The next prime is 40122244321. The reversal of 40122244320 is 2344222104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122244321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170104 + ... + 330423.

It is an arithmetic number, because the mean of its divisors is an integer number (1324397088).

Almost surely, 2^40122244320 is an apocalyptic number.

40122244320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40122244320 is an abundant number, since it is smaller than the sum of its proper divisors (87019876128).

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

40122244320 is a wasteful number, since it uses less digits than its factorization.

40122244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500712 (or 500704 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40122244320 its reverse (2344222104), we get a palindrome (42466466424).

The spelling of 40122244320 in words is "forty billion, one hundred twenty-two million, two hundred forty-four thousand, three hundred twenty".