44587020021 has 8 divisors (see below), whose sum is σ = 61499338080. Its totient is φ = 28699690992.

The previous prime is 44587020019. The next prime is 44587020041. The reversal of 44587020021 is 12002078544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44587020021 - 2¹ = 44587020019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44587020041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256247155 + ... + 256247328.

It is an arithmetic number, because the mean of its divisors is an integer number (7687417260).

Almost surely, 2^44587020021 is an apocalyptic number.

It is an amenable number.

44587020021 is a deficient number, since it is larger than the sum of its proper divisors (16912318059).

44587020021 is a wasteful number, since it uses less digits than its factorization.

44587020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512494515.

The product of its (nonzero) digits is 17920, while the sum is 33.

Adding to 44587020021 its reverse (12002078544), we get a palindrome (56589098565).

The spelling of 44587020021 in words is "forty-four billion, five hundred eighty-seven million, twenty thousand, twenty-one".