880144469 has 4 divisors (see below), whose sum is σ = 880456896. Its totient is φ = 879832044.

The previous prime is 880144459. The next prime is 880144481. The reversal of 880144469 is 964441088.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 880144469 - 2⁴ = 880144453 is a prime.

It is a super-2 number, since 2×880144469² = 1549308572622583922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880144439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151949 + ... + 157634.

It is an arithmetic number, because the mean of its divisors is an integer number (220114224).

Almost surely, 2^880144469 is an apocalyptic number.

It is an amenable number.

880144469 is a deficient number, since it is larger than the sum of its proper divisors (312427).

880144469 is a wasteful number, since it uses less digits than its factorization.

880144469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312426.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 880144469 is about 29667.2288729500. The cubic root of 880144469 is about 958.3364088185.

The spelling of 880144469 in words is "eight hundred eighty million, one hundred forty-four thousand, four hundred sixty-nine".