440023148169 has 8 divisors (see below), whose sum is σ = 640033670112. Its totient is φ = 266680695840.

The previous prime is 440023148137. The next prime is 440023148209. The reversal of 440023148169 is 961841320044.

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

It is not a de Polignac number, because 440023148169 - 2⁵ = 440023148137 is a prime.

It is a super-2 number, since 2×440023148169² (a number of 24 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 440023148169.

It is not an unprimeable number, because it can be changed into a prime (440023148119) 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, 6667017364 + ... + 6667017429.

It is an arithmetic number, because the mean of its divisors is an integer number (80004208764).

Almost surely, 2^440023148169 is an apocalyptic number.

It is an amenable number.

440023148169 is a deficient number, since it is larger than the sum of its proper divisors (200010521943).

440023148169 is a wasteful number, since it uses less digits than its factorization.

440023148169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334034807.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 440023148169 in words is "four hundred forty billion, twenty-three million, one hundred forty-eight thousand, one hundred sixty-nine".