44155944 has 96 divisors (see below), whose sum is σ = 138528000. Its totient is φ = 12445056.

The previous prime is 44155933. The next prime is 44155949. The reversal of 44155944 is 44955144.

It is a super-2 number, since 2×44155944² = 3899494781062272, which contains 22 as substring.

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

Its product of digits (57600) is a multiple of the sum of its prime divisors (1200).

It is a junction number, because it is equal to n+sod(n) for n = 44155899 and 44155908.

It is not an unprimeable number, because it can be changed into a prime (44155949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39262 + ... + 40370.

It is an arithmetic number, because the mean of its divisors is an integer number (1443000).

Almost surely, 2^44155944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44155944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69264000).

44155944 is an abundant number, since it is smaller than the sum of its proper divisors (94372056).

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

44155944 is a wasteful number, since it uses less digits than its factorization.

44155944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1200 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 44155944 is about 6644.9939051891. The cubic root of 44155944 is about 353.4514149855.

The spelling of 44155944 in words is "forty-four million, one hundred fifty-five thousand, nine hundred forty-four".