503155420406 has 8 divisors (see below), whose sum is σ = 755323230720. Its totient is φ = 251381010168.

The previous prime is 503155420393. The next prime is 503155420429. The reversal of 503155420406 is 604024551305.

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

It is a Curzon number.

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, 98346821 + ... + 98351936.

It is an arithmetic number, because the mean of its divisors is an integer number (94415403840).

Almost surely, 2^503155420406 is an apocalyptic number.

503155420406 is a deficient number, since it is larger than the sum of its proper divisors (252167810314).

503155420406 is a wasteful number, since it uses less digits than its factorization.

503155420406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196700038.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 503155420406 in words is "five hundred three billion, one hundred fifty-five million, four hundred twenty thousand, four hundred six".