40321224244 has 24 divisors (see below), whose sum is σ = 81092975040. Its totient is φ = 17183983296.

The previous prime is 40321224233. The next prime is 40321224259. The reversal of 40321224244 is 44242212304.

It is a super-2 number, since 2×40321224244² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017457 + ... + 4027480.

It is an arithmetic number, because the mean of its divisors is an integer number (3378873960).

Almost surely, 2^40321224244 is an apocalyptic number.

It is an amenable number.

40321224244 is an abundant number, since it is smaller than the sum of its proper divisors (40771750796).

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

40321224244 is a wasteful number, since it uses less digits than its factorization.

40321224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045127 (or 8045125 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40321224244 its reverse (44242212304), we get a palindrome (84563436548).

The spelling of 40321224244 in words is "forty billion, three hundred twenty-one million, two hundred twenty-four thousand, two hundred forty-four".