73224411540 has 96 divisors (see below), whose sum is σ = 237618468864. Its totient is φ = 16501269120.

The previous prime is 73224411517. The next prime is 73224411553. The reversal of 73224411540 is 4511442237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197954 + ... + 1257593.

It is an arithmetic number, because the mean of its divisors is an integer number (2475192384).

Almost surely, 2^73224411540 is an apocalyptic number.

73224411540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73224411540 is an abundant number, since it is smaller than the sum of its proper divisors (164394057324).

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

73224411540 is a wasteful number, since it uses less digits than its factorization.

73224411540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455637 (or 2455635 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 73224411540 its reverse (4511442237), we get a palindrome (77735853777).

The spelling of 73224411540 in words is "seventy-three billion, two hundred twenty-four million, four hundred eleven thousand, five hundred forty".