44420120624161 has 16 divisors (see below), whose sum is σ = 46942401528000. Its totient is φ = 41978635086528.

The previous prime is 44420120624137. The next prime is 44420120624171. The reversal of 44420120624161 is 16142602102444.

It is a cyclic number.

It is not a de Polignac number, because 44420120624161 - 2¹⁵ = 44420120591393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44420120624161.

It is not an unprimeable number, because it can be changed into a prime (44420120624171) 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, 77702986 + ... + 78272563.

It is an arithmetic number, because the mean of its divisors is an integer number (2933900095500).

Almost surely, 2^{44420120624161} is an apocalyptic number.

It is an amenable number.

44420120624161 is a deficient number, since it is larger than the sum of its proper divisors (2522280903839).

44420120624161 is a wasteful number, since it uses less digits than its factorization.

44420120624161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155975808.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 44420120624161 in words is "forty-four trillion, four hundred twenty billion, one hundred twenty million, six hundred twenty-four thousand, one hundred sixty-one".