495291619680 has 384 divisors, whose sum is σ = 1875562698240. Its totient is φ = 108256296960.

The previous prime is 495291619633. The next prime is 495291619699. The reversal of 495291619680 is 86916192594.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2867616 + ... + 3035424.

It is an arithmetic number, because the mean of its divisors is an integer number (4884277860).

Almost surely, 2^495291619680 is an apocalyptic number.

495291619680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495291619680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937781349120).

495291619680 is an abundant number, since it is smaller than the sum of its proper divisors (1380271078560).

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

495291619680 is a wasteful number, since it uses less digits than its factorization.

495291619680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167894 (or 167886 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 495291619680 in words is "four hundred ninety-five billion, two hundred ninety-one million, six hundred nineteen thousand, six hundred eighty".