501632340 has 96 divisors (see below), whose sum is σ = 1542844800. Its totient is φ = 120768000.

The previous prime is 501632321. The next prime is 501632377. The reversal of 501632340 is 43236105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 501632340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95790 + ... + 100890.

It is an arithmetic number, because the mean of its divisors is an integer number (16071300).

Almost surely, 2^501632340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501632340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771422400).

501632340 is an abundant number, since it is smaller than the sum of its proper divisors (1041212460).

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

501632340 is a wasteful number, since it uses less digits than its factorization.

501632340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 501632340 is about 22397.1502651565. The cubic root of 501632340 is about 794.5633138331.

Adding to 501632340 its reverse (43236105), we get a palindrome (544868445).

The spelling of 501632340 in words is "five hundred one million, six hundred thirty-two thousand, three hundred forty".