501748494 has 48 divisors (see below), whose sum is σ = 1093502592. Its totient is φ = 153407904.

The previous prime is 501748493. The next prime is 501748571. The reversal of 501748494 is 494847105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501748493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167857 + ... + 170819.

It is an arithmetic number, because the mean of its divisors is an integer number (22781304).

Almost surely, 2^501748494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501748494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546751296).

501748494 is an abundant number, since it is smaller than the sum of its proper divisors (591754098).

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

501748494 is a wasteful number, since it uses less digits than its factorization.

501748494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3148 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 501748494 is about 22399.7431681705. The cubic root of 501748494 is about 794.6246366900.

The spelling of 501748494 in words is "five hundred one million, seven hundred forty-eight thousand, four hundred ninety-four".