503446265040 has 80 divisors (see below), whose sum is σ = 1560772479168. Its totient is φ = 134244676608.

The previous prime is 503446265029. The next prime is 503446265041. The reversal of 503446265040 is 40562644305.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 503446265040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503446265041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5068332 + ... + 5166708.

Almost surely, 2^503446265040 is an apocalyptic number.

It is an amenable number.

503446265040 is an abundant number, since it is smaller than the sum of its proper divisors (1057326214128).

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

503446265040 is a wasteful number, since it uses less digits than its factorization.

503446265040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119716 (or 119710 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 503446265040 in words is "five hundred three billion, four hundred forty-six million, two hundred sixty-five thousand, forty".