7321044227040 has 72 divisors (see below), whose sum is σ = 24983063429688. Its totient is φ = 1952278460160.

The previous prime is 7321044227023. The next prime is 7321044227069. The reversal of 7321044227040 is 407224401237.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×7321044227040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7321044226986 and 7321044227004.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2542027806 + ... + 2542030685.

It is an arithmetic number, because the mean of its divisors is an integer number (346986992079).

Almost surely, 2^{7321044227040} is an apocalyptic number.

It is an amenable number.

7321044227040 is an abundant number, since it is smaller than the sum of its proper divisors (17662019202648).

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

7321044227040 is a wasteful number, since it uses less digits than its factorization.

7321044227040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084058512 (or 5084058501 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

Adding to 7321044227040 its reverse (407224401237), we get a palindrome (7728268628277).

The spelling of 7321044227040 in words is "seven trillion, three hundred twenty-one billion, forty-four million, two hundred twenty-seven thousand, forty".