501263340 has 24 divisors (see below), whose sum is σ = 1403537520. Its totient is φ = 133670208.

The previous prime is 501263297. The next prime is 501263353. The reversal of 501263340 is 43362105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 501263340.

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, 4177135 + ... + 4177254.

It is an arithmetic number, because the mean of its divisors is an integer number (58480730).

Almost surely, 2^501263340 is an apocalyptic number.

It is an amenable number.

501263340 is an abundant number, since it is smaller than the sum of its proper divisors (902274180).

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

501263340 is a wasteful number, since it uses less digits than its factorization.

501263340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8354401 (or 8354399 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 501263340 is about 22388.9110945575. The cubic root of 501263340 is about 794.3684395133.

The spelling of 501263340 in words is "five hundred one million, two hundred sixty-three thousand, three hundred forty".