503150040 has 192 divisors, whose sum is σ = 1690191360. Its totient is φ = 129742080.

The previous prime is 503150033. The next prime is 503150051. The reversal of 503150040 is 40051305.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 503149995 and 503150022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2216407 + ... + 2216633.

It is an arithmetic number, because the mean of its divisors is an integer number (8803080).

Almost surely, 2^503150040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503150040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845095680).

503150040 is an abundant number, since it is smaller than the sum of its proper divisors (1187041320).

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

503150040 is a wasteful number, since it uses less digits than its factorization.

503150040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 503150040 is about 22431.0062190710. The cubic root of 503150040 is about 795.3638301458.

The spelling of 503150040 in words is "five hundred three million, one hundred fifty thousand, forty".