501428464 has 20 divisors (see below), whose sum is σ = 1028666304. Its totient is φ = 235966208.

The previous prime is 501428437. The next prime is 501428491. The reversal of 501428464 is 464824105.

It is an interprime number because it is at equal distance from previous prime (501428437) and next prime (501428491).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921472 + ... + 922015.

Almost surely, 2^501428464 is an apocalyptic number.

It is an amenable number.

501428464 is an abundant number, since it is smaller than the sum of its proper divisors (527237840).

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

501428464 is a wasteful number, since it uses less digits than its factorization.

501428464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843512 (or 1843506 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 501428464 is about 22392.5984200137. The cubic root of 501428464 is about 794.4556557416.

The spelling of 501428464 in words is "five hundred one million, four hundred twenty-eight thousand, four hundred sixty-four".