501772080 has 40 divisors (see below), whose sum is σ = 1555494192. Its totient is φ = 133805824.

The previous prime is 501772067. The next prime is 501772087. The reversal of 501772080 is 80277105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (501772087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045119 + ... + 1045598.

Almost surely, 2^501772080 is an apocalyptic number.

It is an amenable number.

501772080 is an abundant number, since it is smaller than the sum of its proper divisors (1053722112).

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

501772080 is a wasteful number, since it uses less digits than its factorization.

501772080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090733 (or 2090727 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 501772080 is about 22400.2696412342. The cubic root of 501772080 is about 794.6370876313.

The spelling of 501772080 in words is "five hundred one million, seven hundred seventy-two thousand, eighty".