512220494 has 8 divisors (see below), whose sum is σ = 779798568. Its totient is φ = 252287640.

The previous prime is 512220481. The next prime is 512220509. The reversal of 512220494 is 494022215.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1911137 + ... + 1911404.

It is an arithmetic number, because the mean of its divisors is an integer number (97474821).

Almost surely, 2^512220494 is an apocalyptic number.

512220494 is a deficient number, since it is larger than the sum of its proper divisors (267578074).

512220494 is a wasteful number, since it uses less digits than its factorization.

512220494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822610.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 512220494 is about 22632.2887485999. The cubic root of 512220494 is about 800.1148241435.

The spelling of 512220494 in words is "five hundred twelve million, two hundred twenty thousand, four hundred ninety-four".