503042440350 has 48 divisors (see below), whose sum is σ = 1301786358912. Its totient is φ = 128312273760.

The previous prime is 503042440349. The next prime is 503042440361. The reversal of 503042440350 is 53044240305.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72901252 + ... + 72908151.

It is an arithmetic number, because the mean of its divisors is an integer number (27120549144).

Almost surely, 2^503042440350 is an apocalyptic number.

503042440350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503042440350 is an abundant number, since it is smaller than the sum of its proper divisors (798743918562).

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

503042440350 is a wasteful number, since it uses less digits than its factorization.

503042440350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145809441 (or 145809436 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 503042440350 its reverse (53044240305), we get a palindrome (556086680655).

The spelling of 503042440350 in words is "five hundred three billion, forty-two million, four hundred forty thousand, three hundred fifty".