44224500611621 has 16 divisors (see below), whose sum is σ = 49421951808768. Its totient is φ = 39223236460800.

The previous prime is 44224500611609. The next prime is 44224500611651. The reversal of 44224500611621 is 12611600542244.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44224500611621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224500611651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97793396 + ... + 98244578.

It is an arithmetic number, because the mean of its divisors is an integer number (3088871988048).

Almost surely, 2^{44224500611621} is an apocalyptic number.

44224500611621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44224500611621 is a deficient number, since it is larger than the sum of its proper divisors (5197451197147).

44224500611621 is a wasteful number, since it uses less digits than its factorization.

44224500611621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668572.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 44224500611621 in words is "forty-four trillion, two hundred twenty-four billion, five hundred million, six hundred eleven thousand, six hundred twenty-one".