425203024500 has 144 divisors (see below), whose sum is σ = 1341883884432. Its totient is φ = 113344358400.

The previous prime is 425203024487. The next prime is 425203024531. The reversal of 425203024500 is 5420302524.

It is a happy number.

425203024500 is a `hidden beast` number, since 4 + 2 + 5 + 203 + 0 + 2 + 450 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 109113944976 + 316089079524 = 330324^2 + 562218^2 .

It is a super-2 number, since 2×425203024500² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12839964 + ... + 12873036.

Almost surely, 2^425203024500 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 425203024500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670941942216).

425203024500 is an abundant number, since it is smaller than the sum of its proper divisors (916680859932).

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

425203024500 is a wasteful number, since it uses less digits than its factorization.

425203024500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35955 (or 35940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 425203024500 in words is "four hundred twenty-five billion, two hundred three million, twenty-four thousand, five hundred".