505722960 has 80 divisors (see below), whose sum is σ = 1741942080. Its totient is φ = 134858880.

The previous prime is 505722949. The next prime is 505722977. The reversal of 505722960 is 69227505.

505722960 is a `hidden beast` number, since 5 + 0 + 572 + 29 + 60 = 666.

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

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114906 + ... + 119225.

It is an arithmetic number, because the mean of its divisors is an integer number (21774276).

Almost surely, 2^505722960 is an apocalyptic number.

It is an amenable number.

505722960 is an abundant number, since it is smaller than the sum of its proper divisors (1236219120).

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

505722960 is a wasteful number, since it uses less digits than its factorization.

505722960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234153 (or 234141 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 505722960 is about 22488.2849501691. The cubic root of 505722960 is about 796.7172562503.

The spelling of 505722960 in words is "five hundred five million, seven hundred twenty-two thousand, nine hundred sixty".