889936025456 has 40 divisors (see below), whose sum is σ = 1905054881184. Its totient is φ = 400585011200.

The previous prime is 889936025423. The next prime is 889936025551. The reversal of 889936025456 is 654520639988.

It is a super-2 number, since 2×889936025456² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 889936025392 and 889936025401.

It is a congruent number.

It is an unprimeable number.

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, 71120345 + ... + 71132856.

Almost surely, 2^889936025456 is an apocalyptic number.

It is an amenable number.

889936025456 is an abundant number, since it is smaller than the sum of its proper divisors (1015118855728).

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

889936025456 is a wasteful number, since it uses less digits than its factorization.

889936025456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142253249 (or 142253243 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 889936025456 in words is "eight hundred eighty-nine billion, nine hundred thirty-six million, twenty-five thousand, four hundred fifty-six".