502720149 has 16 divisors (see below), whose sum is σ = 699701760. Its totient is φ = 320686080.

The previous prime is 502720139. The next prime is 502720157. The reversal of 502720149 is 941027205.

It is not a de Polignac number, because 502720149 - 2⁵ = 502720117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502720109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22092 + ... + 38645.

It is an arithmetic number, because the mean of its divisors is an integer number (43731360).

Almost surely, 2^502720149 is an apocalyptic number.

It is an amenable number.

502720149 is a deficient number, since it is larger than the sum of its proper divisors (196981611).

502720149 is a wasteful number, since it uses less digits than its factorization.

502720149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60860.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 502720149 is about 22421.4216543019. The cubic root of 502720149 is about 795.1372461914.

The spelling of 502720149 in words is "five hundred two million, seven hundred twenty thousand, one hundred forty-nine".