497440325831040 has 512 divisors, whose sum is σ = 1865562948864000. Its totient is φ = 124836944117760.

The previous prime is 497440325831021. The next prime is 497440325831051. The reversal of 497440325831040 is 40138523044794.

497440325831040 is a `hidden beast` number, since 4 + 9 + 7 + 4 + 4 + 0 + 3 + 2 + 583 + 10 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3706890345 + ... + 3707024535.

It is an arithmetic number, because the mean of its divisors is an integer number (3643677634500).

Almost surely, 2^{497440325831040} is an apocalyptic number.

497440325831040 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 497440325831040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932781474432000).

497440325831040 is an abundant number, since it is smaller than the sum of its proper divisors (1368122623032960).

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

497440325831040 is a wasteful number, since it uses less digits than its factorization.

497440325831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146855 (or 146837 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 497440325831040 in words is "four hundred ninety-seven trillion, four hundred forty billion, three hundred twenty-five million, eight hundred thirty-one thousand, forty".