497259544320 has 1440 divisors, whose sum is σ = 2236600396800. Its totient is φ = 102478970880.

The previous prime is 497259544319. The next prime is 497259544337. The reversal of 497259544320 is 23445952794.

It is a happy number.

497259544320 is a `hidden beast` number, since 4 + 9 + 7 + 2 + 595 + 4 + 43 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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 159 ways as a sum of consecutive naturals, for example, 1588688484 + ... + 1588688796.

It is an arithmetic number, because the mean of its divisors is an integer number (1553194720).

Almost surely, 2^497259544320 is an apocalyptic number.

497259544320 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 497259544320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118300198400).

497259544320 is an abundant number, since it is smaller than the sum of its proper divisors (1739340852480).

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

497259544320 is a wasteful number, since it uses less digits than its factorization.

497259544320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 497259544320 in words is "four hundred ninety-seven billion, two hundred fifty-nine million, five hundred forty-four thousand, three hundred twenty".