506250840 has 64 divisors (see below), whose sum is σ = 1521504000. Its totient is φ = 134755712.

The previous prime is 506250817. The next prime is 506250847. The reversal of 506250840 is 48052605.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 506250798 and 506250807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506250847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68359 + ... + 75401.

It is an arithmetic number, because the mean of its divisors is an integer number (23773500).

Almost surely, 2^506250840 is an apocalyptic number.

It is an amenable number.

506250840 is an abundant number, since it is smaller than the sum of its proper divisors (1015253160).

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

506250840 is a wasteful number, since it uses less digits than its factorization.

506250840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656 (or 7652 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 506250840 is about 22500.0186666589. The cubic root of 506250840 is about 796.9943676932.

The spelling of 506250840 in words is "five hundred six million, two hundred fifty thousand, eight hundred forty".