503040663042 has 16 divisors (see below), whose sum is σ = 1008964084800. Its totient is φ = 167199761232.

The previous prime is 503040663007. The next prime is 503040663061. The reversal of 503040663042 is 240366040305.

It is a junction number, because it is equal to n+sod(n) for n = 503040662994 and 503040663012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120112678 + ... + 120116865.

It is an arithmetic number, because the mean of its divisors is an integer number (63060255300).

Almost surely, 2^503040663042 is an apocalyptic number.

503040663042 is an abundant number, since it is smaller than the sum of its proper divisors (505923421758).

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

503040663042 is a wasteful number, since it uses less digits than its factorization.

503040663042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240229897.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 503040663042 in words is "five hundred three billion, forty million, six hundred sixty-three thousand, forty-two".