497272600440 has 1024 divisors, whose sum is σ = 2151401472000. Its totient is φ = 99173652480.

The previous prime is 497272600351. The next prime is 497272600471. The reversal of 497272600440 is 44006272794.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 210975742 + ... + 210978098.

It is an arithmetic number, because the mean of its divisors is an integer number (2100978000).

Almost surely, 2^497272600440 is an apocalyptic number.

497272600440 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 497272600440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075700736000).

497272600440 is an abundant number, since it is smaller than the sum of its proper divisors (1654128871560).

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

497272600440 is a wasteful number, since it uses less digits than its factorization.

497272600440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 497272600440 in words is "four hundred ninety-seven billion, two hundred seventy-two million, six hundred thousand, four hundred forty".