44287440545 has 8 divisors (see below), whose sum is σ = 53203271040. Its totient is φ = 35391057520.

The previous prime is 44287440541. The next prime is 44287440559. The reversal of 44287440545 is 54504478244.

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

It is not a de Polignac number, because 44287440545 - 2² = 44287440541 is a prime.

It is a super-2 number, since 2×44287440545² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44287440545.

It is not an unprimeable number, because it can be changed into a prime (44287440541) 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, 4856855 + ... + 4865964.

It is an arithmetic number, because the mean of its divisors is an integer number (6650408880).

Almost surely, 2^44287440545 is an apocalyptic number.

It is an amenable number.

44287440545 is a deficient number, since it is larger than the sum of its proper divisors (8915830495).

44287440545 is an equidigital number, since it uses as much as digits as its factorization.

44287440545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723735.

The product of its (nonzero) digits is 2867200, while the sum is 47.

The spelling of 44287440545 in words is "forty-four billion, two hundred eighty-seven million, four hundred forty thousand, five hundred forty-five".