505501140 has 48 divisors (see below), whose sum is σ = 1422146880. Its totient is φ = 134158080.

The previous prime is 505501127. The next prime is 505501147. The reversal of 505501140 is 41105505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505501147) 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, 7305 + ... + 32624.

It is an arithmetic number, because the mean of its divisors is an integer number (29628060).

Almost surely, 2^505501140 is an apocalyptic number.

It is an amenable number.

505501140 is an abundant number, since it is smaller than the sum of its proper divisors (916645740).

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

505501140 is a wasteful number, since it uses less digits than its factorization.

505501140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40152 (or 40150 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 505501140 is about 22483.3525080225. The cubic root of 505501140 is about 796.6007539484.

Adding to 505501140 its reverse (41105505), we get a palindrome (546606645).

The spelling of 505501140 in words is "five hundred five million, five hundred one thousand, one hundred forty".