501940704 has 48 divisors (see below), whose sum is σ = 1321079760. Its totient is φ = 166871040.

The previous prime is 501940639. The next prime is 501940709. The reversal of 501940704 is 407049105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501940709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30624 + ... + 44064.

It is an arithmetic number, because the mean of its divisors is an integer number (27522495).

Almost surely, 2^501940704 is an apocalyptic number.

It is an amenable number.

501940704 is an abundant number, since it is smaller than the sum of its proper divisors (819139056).

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

501940704 is a wasteful number, since it uses less digits than its factorization.

501940704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13843 (or 13835 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 501940704 is about 22404.0332083310. The cubic root of 501940704 is about 794.7260921032.

Adding to 501940704 its reverse (407049105), we get a palindrome (908989809).

The spelling of 501940704 in words is "five hundred one million, nine hundred forty thousand, seven hundred four".