506225040 has 80 divisors (see below), whose sum is σ = 1619943936. Its totient is φ = 130636800.

The previous prime is 506225039. The next prime is 506225059. The reversal of 506225040 is 40522605.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×506225040² = 512527582246003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 506225040.

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, 26581 + ... + 41460.

Almost surely, 2^506225040 is an apocalyptic number.

It is an amenable number.

506225040 is an abundant number, since it is smaller than the sum of its proper divisors (1113718896).

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

506225040 is a wasteful number, since it uses less digits than its factorization.

506225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68088 (or 68082 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 506225040 is about 22499.4453264964. The cubic root of 506225040 is about 796.9808284209.

Adding to 506225040 its reverse (40522605), we get a palindrome (546747645).

The spelling of 506225040 in words is "five hundred six million, two hundred twenty-five thousand, forty".