890430245052 has 72 divisors (see below), whose sum is σ = 2182050246096. Its totient is φ = 282526560000.

The previous prime is 890430244999. The next prime is 890430245059. The reversal of 890430245052 is 250542034098.

It is a junction number, because it is equal to n+sod(n) for n = 890430244995 and 890430245013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890430245059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70552 + ... + 1336352.

It is an arithmetic number, because the mean of its divisors is an integer number (30306253418).

Almost surely, 2^890430245052 is an apocalyptic number.

It is an amenable number.

890430245052 is an abundant number, since it is smaller than the sum of its proper divisors (1291620001044).

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

890430245052 is a wasteful number, since it uses less digits than its factorization.

890430245052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265931 (or 1265898 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 890430245052 in words is "eight hundred ninety billion, four hundred thirty million, two hundred forty-five thousand, fifty-two".