495261270 has 256 divisors, whose sum is σ = 1592524800. Its totient is φ = 107153280.

The previous prime is 495261269. The next prime is 495261287. The reversal of 495261270 is 72162594.

495261270 is a `hidden beast` number, since 4 + 9 + 526 + 127 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4628557 + ... + 4628663.

It is an arithmetic number, because the mean of its divisors is an integer number (6220800).

Almost surely, 2^495261270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495261270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796262400).

495261270 is an abundant number, since it is smaller than the sum of its proper divisors (1097263530).

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

495261270 is a wasteful number, since it uses less digits than its factorization.

495261270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 495261270 is about 22254.4662933084. The cubic root of 495261270 is about 791.1851410191.

The spelling of 495261270 in words is "four hundred ninety-five million, two hundred sixty-one thousand, two hundred seventy".