495655547520 has 512 divisors, whose sum is σ = 1903486464000. Its totient is φ = 107168956416.

The previous prime is 495655547507. The next prime is 495655547521. The reversal of 495655547520 is 25745556594.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (495655547521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263785941 + ... + 263787819.

It is an arithmetic number, because the mean of its divisors is an integer number (3717747000).

Almost surely, 2^495655547520 is an apocalyptic number.

495655547520 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 495655547520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951743232000).

495655547520 is an abundant number, since it is smaller than the sum of its proper divisors (1407830916480).

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

495655547520 is a wasteful number, since it uses less digits than its factorization.

495655547520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 37800000, while the sum is 57.

The spelling of 495655547520 in words is "four hundred ninety-five billion, six hundred fifty-five million, five hundred forty-seven thousand, five hundred twenty".