44155656 has 96 divisors (see below), whose sum is σ = 125598720. Its totient is φ = 13996800.

The previous prime is 44155651. The next prime is 44155673. The reversal of 44155656 is 65655144.

44155656 = 261² + 262² + ... + 531².

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 44155656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44155651) 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, 162801 + ... + 163071.

It is an arithmetic number, because the mean of its divisors is an integer number (1308320).

Almost surely, 2^44155656 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 44155656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62799360).

44155656 is an abundant number, since it is smaller than the sum of its proper divisors (81443064).

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

44155656 is a wasteful number, since it uses less digits than its factorization.

44155656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 380 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 44155656 is about 6644.9722347050. The cubic root of 44155656 is about 353.4506465406.

The spelling of 44155656 in words is "forty-four million, one hundred fifty-five thousand, six hundred fifty-six".