44780268889 has 8 divisors (see below), whose sum is σ = 45009383328. Its totient is φ = 44551434240.

The previous prime is 44780268881. The next prime is 44780268917. The reversal of 44780268889 is 98886208744.

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

It is a cyclic number.

It is not a de Polignac number, because 44780268889 - 2³ = 44780268881 is a prime.

It is a super-2 number, since 2×44780268889² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44780268889.

It is not an unprimeable number, because it can be changed into a prime (44780268881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254809 + ... + 393049.

It is an arithmetic number, because the mean of its divisors is an integer number (5626172916).

Almost surely, 2^44780268889 is an apocalyptic number.

It is an amenable number.

44780268889 is a deficient number, since it is larger than the sum of its proper divisors (229114439).

44780268889 is a wasteful number, since it uses less digits than its factorization.

44780268889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139895.

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 44780268889 in words is "forty-four billion, seven hundred eighty million, two hundred sixty-eight thousand, eight hundred eighty-nine".