424545500 has 192 divisors, whose sum is σ = 1069286400. Its totient is φ = 146361600.

The previous prime is 424545487. The next prime is 424545547. The reversal of 424545500 is 5545424.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6336467 + ... + 6336533.

It is an arithmetic number, because the mean of its divisors is an integer number (5569200).

Almost surely, 2^424545500 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 424545500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534643200).

424545500 is an abundant number, since it is smaller than the sum of its proper divisors (644740900).

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

424545500 is a wasteful number, since it uses less digits than its factorization.

424545500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 424545500 is about 20604.5019352568. The cubic root of 424545500 is about 751.5791910589.

The spelling of 424545500 in words is "four hundred twenty-four million, five hundred forty-five thousand, five hundred".