501298980 has 96 divisors (see below), whose sum is σ = 1727572224. Its totient is φ = 105767424.

The previous prime is 501298969. The next prime is 501298981. The reversal of 501298980 is 89892105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (501298981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40447 + ... + 51366.

It is an arithmetic number, because the mean of its divisors is an integer number (17995544).

Almost surely, 2^501298980 is an apocalyptic number.

It is an amenable number.

501298980 is an abundant number, since it is smaller than the sum of its proper divisors (1226273244).

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

501298980 is a wasteful number, since it uses less digits than its factorization.

501298980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91845 (or 91843 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 501298980 is about 22389.7070101420. The cubic root of 501298980 is about 794.3872656924.

The spelling of 501298980 in words is "five hundred one million, two hundred ninety-eight thousand, nine hundred eighty".