501481368 has 80 divisors (see below), whose sum is σ = 1487269080. Its totient is φ = 157324032.

The previous prime is 501481361. The next prime is 501481381. The reversal of 501481368 is 863184105.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501481361) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11746 + ... + 33777.

Almost surely, 2^501481368 is an apocalyptic number.

It is an amenable number.

501481368 is an abundant number, since it is smaller than the sum of its proper divisors (985787712).

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

501481368 is a wasteful number, since it uses less digits than its factorization.

501481368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45558 (or 45545 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 501481368 is about 22393.7796720429. The cubic root of 501481368 is about 794.4835948576.

The spelling of 501481368 in words is "five hundred one million, four hundred eighty-one thousand, three hundred sixty-eight".