44620065 has 40 divisors (see below), whose sum is σ = 91417920. Its totient is φ = 20396448.

The previous prime is 44620063. The next prime is 44620073. The reversal of 44620065 is 56002644.

It is a happy number.

It is not a de Polignac number, because 44620065 - 2¹ = 44620063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44620063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5035 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (2285448).

Almost surely, 2^44620065 is an apocalyptic number.

44620065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44620065 is an abundant number, since it is smaller than the sum of its proper divisors (46797855).

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

44620065 is a wasteful number, since it uses less digits than its factorization.

44620065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15763 (or 15754 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 44620065 is about 6679.8252222644. The cubic root of 44620065 is about 354.6854715934.

The spelling of 44620065 in words is "forty-four million, six hundred twenty thousand, sixty-five".