495041664 has 128 divisors (see below), whose sum is σ = 1428799680. Its totient is φ = 150958080.

The previous prime is 495041653. The next prime is 495041669. The reversal of 495041664 is 466140594.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (495041669) 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, 653574 + ... + 654330.

Almost surely, 2^495041664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495041664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714399840).

495041664 is an abundant number, since it is smaller than the sum of its proper divisors (933758016).

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

495041664 is a wasteful number, since it uses less digits than its factorization.

495041664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 495041664 is about 22249.5317703542. The cubic root of 495041664 is about 791.0681827576.

The spelling of 495041664 in words is "four hundred ninety-five million, forty-one thousand, six hundred sixty-four".