501968430 has 48 divisors (see below), whose sum is σ = 1347225984. Its totient is φ = 129539520.

The previous prime is 501968417. The next prime is 501968527. The reversal of 501968430 is 34869105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87169 + ... + 92748.

It is an arithmetic number, because the mean of its divisors is an integer number (28067208).

Almost surely, 2^501968430 is an apocalyptic number.

501968430 is an abundant number, since it is smaller than the sum of its proper divisors (845257554).

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

501968430 is a wasteful number, since it uses less digits than its factorization.

501968430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179961 (or 179958 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 501968430 is about 22404.6519723025. The cubic root of 501968430 is about 794.7407247546.

The spelling of 501968430 in words is "five hundred one million, nine hundred sixty-eight thousand, four hundred thirty".