495351299520 has 1344 divisors, whose sum is σ = 2214191655936. Its totient is φ = 98656911360.

The previous prime is 495351299519. The next prime is 495351299537. The reversal of 495351299520 is 25992153594.

495351299520 is a `hidden beast` number, since 4 + 9 + 535 + 12 + 9 + 95 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 598973347 + ... + 598974173.

Almost surely, 2^495351299520 is an apocalyptic number.

495351299520 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 495351299520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107095827968).

495351299520 is an abundant number, since it is smaller than the sum of its proper divisors (1718840356416).

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

495351299520 is a wasteful number, since it uses less digits than its factorization.

495351299520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 495351299520 in words is "four hundred ninety-five billion, three hundred fifty-one million, two hundred ninety-nine thousand, five hundred twenty".