504758478 has 16 divisors (see below), whose sum is σ = 1153733760. Its totient is φ = 144216696.

The previous prime is 504758473. The next prime is 504758479. The reversal of 504758478 is 874857405.

It is a super-2 number, since 2×504758478² = 509562242225752968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504758473) 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, 6008988 + ... + 6009071.

It is an arithmetic number, because the mean of its divisors is an integer number (72108360).

Almost surely, 2^504758478 is an apocalyptic number.

504758478 is an abundant number, since it is smaller than the sum of its proper divisors (648975282).

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

504758478 is a wasteful number, since it uses less digits than its factorization.

504758478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018071.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 504758478 is about 22466.8306176016. The cubic root of 504758478 is about 796.2104514546.

The spelling of 504758478 in words is "five hundred four million, seven hundred fifty-eight thousand, four hundred seventy-eight".