289900030044 has 24 divisors (see below), whose sum is σ = 676447125760. Its totient is φ = 96631383024.

The previous prime is 289900030037. The next prime is 289900030067. The reversal of 289900030044 is 440030009982.

It is a super-4 number, since 4×289900030044⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289900029984 and 289900030011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449997 + ... + 884475.

Almost surely, 2^289900030044 is an apocalyptic number.

It is an amenable number.

289900030044 is an abundant number, since it is smaller than the sum of its proper divisors (386547095716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289900030044 is a wasteful number, since it uses less digits than its factorization.

289900030044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490089 (or 490087 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 289900030044 in words is "two hundred eighty-nine billion, nine hundred million, thirty thousand, forty-four".