504353640 has 64 divisors (see below), whose sum is σ = 1729215360. Its totient is φ = 115280640.

The previous prime is 504353639. The next prime is 504353677. The reversal of 504353640 is 46353405.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 504353598 and 504353607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299371 + ... + 301050.

It is an arithmetic number, because the mean of its divisors is an integer number (27018990).

Almost surely, 2^504353640 is an apocalyptic number.

It is an amenable number.

504353640 is an abundant number, since it is smaller than the sum of its proper divisors (1224861720).

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

504353640 is a wasteful number, since it uses less digits than its factorization.

504353640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600442 (or 600438 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 504353640 is about 22457.8191283125. The cubic root of 504353640 is about 795.9975295160.

The spelling of 504353640 in words is "five hundred four million, three hundred fifty-three thousand, six hundred forty".