434818725990 has 96 divisors (see below), whose sum is σ = 1148954526720. Its totient is φ = 105236408640.

The previous prime is 434818725949. The next prime is 434818725997. The reversal of 434818725990 is 99527818434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434818725997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2104741 + ... + 2302079.

It is an arithmetic number, because the mean of its divisors is an integer number (11968276320).

Almost surely, 2^434818725990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434818725990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574477263360).

434818725990 is an abundant number, since it is smaller than the sum of its proper divisors (714135800730).

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

434818725990 is a wasteful number, since it uses less digits than its factorization.

434818725990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197978 (or 197967 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 434818725990 in words is "four hundred thirty-four billion, eight hundred eighteen million, seven hundred twenty-five thousand, nine hundred ninety".