495620064 has 144 divisors (see below), whose sum is σ = 1489872384. Its totient is φ = 156038400.

The previous prime is 495620017. The next prime is 495620089. The reversal of 495620064 is 460026594.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 383259 + ... + 384549.

It is an arithmetic number, because the mean of its divisors is an integer number (10346336).

Almost surely, 2^495620064 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 495620064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744936192).

495620064 is an abundant number, since it is smaller than the sum of its proper divisors (994252320).

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

495620064 is a wasteful number, since it uses less digits than its factorization.

495620064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 495620064 is about 22262.5260022307. The cubic root of 495620064 is about 791.3761539755.

The spelling of 495620064 in words is "four hundred ninety-five million, six hundred twenty thousand, sixty-four".