505532562640 has 40 divisors (see below), whose sum is σ = 1343272239360. Its totient is φ = 173325449856.

The previous prime is 505532562583. The next prime is 505532562751. The reversal of 505532562640 is 46265235505.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 451367800 + ... + 451368919.

It is an arithmetic number, because the mean of its divisors is an integer number (33581805984).

Almost surely, 2^505532562640 is an apocalyptic number.

It is an amenable number.

505532562640 is an abundant number, since it is smaller than the sum of its proper divisors (837739676720).

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

505532562640 is a wasteful number, since it uses less digits than its factorization.

505532562640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902736739 (or 902736733 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 505532562640 in words is "five hundred five billion, five hundred thirty-two million, five hundred sixty-two thousand, six hundred forty".