502640945 has 8 divisors (see below), whose sum is σ = 610436736. Its totient is φ = 397267696.

The previous prime is 502640933. The next prime is 502640977. The reversal of 502640945 is 549046205.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 502640945 - 2¹⁴ = 502624561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605177 + ... + 606006.

It is an arithmetic number, because the mean of its divisors is an integer number (76304592).

Almost surely, 2^502640945 is an apocalyptic number.

It is an amenable number.

502640945 is a deficient number, since it is larger than the sum of its proper divisors (107795791).

502640945 is a wasteful number, since it uses less digits than its factorization.

502640945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211271.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 502640945 is about 22419.6553274130. The cubic root of 502640945 is about 795.0954858082.

The spelling of 502640945 in words is "five hundred two million, six hundred forty thousand, nine hundred forty-five".