501678464 has 48 divisors (see below), whose sum is σ = 1162625580. Its totient is φ = 215002368.

The previous prime is 501678433. The next prime is 501678473. The reversal of 501678464 is 464876105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33722 + ... + 46265.

Almost surely, 2^501678464 is an apocalyptic number.

It is an amenable number.

501678464 is an abundant number, since it is smaller than the sum of its proper divisors (660947116).

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

501678464 is an equidigital number, since it uses as much as digits as its factorization.

501678464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80015 (or 79996 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 501678464 is about 22398.1799260565. The cubic root of 501678464 is about 794.5876658749.

The spelling of 501678464 in words is "five hundred one million, six hundred seventy-eight thousand, four hundred sixty-four".