497944448976 has 80 divisors (see below), whose sum is σ = 1386140906304. Its totient is φ = 153121446912.

The previous prime is 497944448971. The next prime is 497944448977. The reversal of 497944448976 is 679844449794.

It is a junction number, because it is equal to n+sod(n) for n = 497944448898 and 497944448907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497944448971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800860 + ... + 1279556.

Almost surely, 2^497944448976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497944448976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693070453152).

497944448976 is an abundant number, since it is smaller than the sum of its proper divisors (888196457328).

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

497944448976 is a wasteful number, since it uses less digits than its factorization.

497944448976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480388 (or 480382 counting only the distinct ones).

The product of its digits is 1755758592, while the sum is 75.

The spelling of 497944448976 in words is "four hundred ninety-seven billion, nine hundred forty-four million, four hundred forty-eight thousand, nine hundred seventy-six".