505290270 has 32 divisors (see below), whose sum is σ = 1217433888. Its totient is φ = 134217728.

The previous prime is 505290263. The next prime is 505290271. The reversal of 505290270 is 72092505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

505290270 is an undulating number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505290271) by changing a digit.

In principle, a polygon with 505290270 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25059 + ... + 40478.

It is an arithmetic number, because the mean of its divisors is an integer number (38044809).

Almost surely, 2^505290270 is an apocalyptic number.

505290270 is an abundant number, since it is smaller than the sum of its proper divisors (712143618).

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

505290270 is a wasteful number, since it uses less digits than its factorization.

505290270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65804.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 505290270 is about 22478.6625491821. The cubic root of 505290270 is about 796.4899711030.

The spelling of 505290270 in words is "five hundred five million, two hundred ninety thousand, two hundred seventy".