425109500 has 48 divisors (see below), whose sum is σ = 930689760. Its totient is φ = 169632000.

The previous prime is 425109499. The next prime is 425109527. The reversal of 425109500 is 5901524.

It is a self number, because there is not a number n which added to its sum of digits gives 425109500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284756 + ... + 286244.

It is an arithmetic number, because the mean of its divisors is an integer number (19389370).

Almost surely, 2^425109500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425109500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465344880).

425109500 is an abundant number, since it is smaller than the sum of its proper divisors (505580260).

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

425109500 is a wasteful number, since it uses less digits than its factorization.

425109500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 425109500 is about 20618.1837221420. The cubic root of 425109500 is about 751.9118629728.

The spelling of 425109500 in words is "four hundred twenty-five million, one hundred nine thousand, five hundred".