497420078480640 has 2592 divisors, whose sum is σ = 2131301179478016. Its totient is φ = 104859755642880.

The previous prime is 497420078480587. The next prime is 497420078480803. The reversal of 497420078480640 is 46084870024794.

497420078480640 is a `hidden beast` number, since 4 + 9 + 7 + 4 + 20 + 0 + 78 + 480 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 288694182819 + ... + 288694184541.

Almost surely, 2^{497420078480640} is an apocalyptic number.

497420078480640 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 497420078480640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065650589739008).

497420078480640 is an abundant number, since it is smaller than the sum of its proper divisors (1633881100997376).

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

497420078480640 is a wasteful number, since it uses less digits than its factorization.

497420078480640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 63.

The spelling of 497420078480640 in words is "four hundred ninety-seven trillion, four hundred twenty billion, seventy-eight million, four hundred eighty thousand, six hundred forty".