501343040 has 56 divisors (see below), whose sum is σ = 1302361632. Its totient is φ = 182305280.

The previous prime is 501343027. The next prime is 501343057. The reversal of 501343040 is 40343105.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 67694 + ... + 74733.

Almost surely, 2^501343040 is an apocalyptic number.

It is an amenable number.

501343040 is an abundant number, since it is smaller than the sum of its proper divisors (801018592).

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

501343040 is a wasteful number, since it uses less digits than its factorization.

501343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142455 (or 142445 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 501343040 is about 22390.6909227920. The cubic root of 501343040 is about 794.4105383493.

Adding to 501343040 its reverse (40343105), we get a palindrome (541686145).

The spelling of 501343040 in words is "five hundred one million, three hundred forty-three thousand, forty".