506533740 has 24 divisors (see below), whose sum is σ = 1418294640. Its totient is φ = 135075648.

The previous prime is 506533723. The next prime is 506533771. The reversal of 506533740 is 47335605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221055 + ... + 4221174.

It is an arithmetic number, because the mean of its divisors is an integer number (59095610).

Almost surely, 2^506533740 is an apocalyptic number.

It is an amenable number.

506533740 is an abundant number, since it is smaller than the sum of its proper divisors (911760900).

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

506533740 is a wasteful number, since it uses less digits than its factorization.

506533740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442241 (or 8442239 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 506533740 is about 22506.3044500869. The cubic root of 506533740 is about 797.1427972222.

The spelling of 506533740 in words is "five hundred six million, five hundred thirty-three thousand, seven hundred forty".