501509742 has 16 divisors (see below), whose sum is σ = 1003274112. Its totient is φ = 167127480.

The previous prime is 501509737. The next prime is 501509773. The reversal of 501509742 is 247905105.

It is a zygodrome in base 12.

It is a congruent number.

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, 23367 + ... + 39357.

It is an arithmetic number, because the mean of its divisors is an integer number (62704632).

Almost surely, 2^501509742 is an apocalyptic number.

501509742 is an abundant number, since it is smaller than the sum of its proper divisors (501764370).

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

501509742 is a wasteful number, since it uses less digits than its factorization.

501509742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 501509742 is about 22394.4131872215. The cubic root of 501509742 is about 794.4985786329.

The spelling of 501509742 in words is "five hundred one million, five hundred nine thousand, seven hundred forty-two".