497924871840 has 960 divisors, whose sum is σ = 1990705102848. Its totient is φ = 116117452800.

The previous prime is 497924871839. The next prime is 497924871863. The reversal of 497924871840 is 48178429794.

497924871840 is a `hidden beast` number, since 4 + 9 + 79 + 2 + 487 + 1 + 84 + 0 = 666.

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, 1356743337 + ... + 1356743703.

Almost surely, 2^497924871840 is an apocalyptic number.

497924871840 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 497924871840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995352551424).

497924871840 is an abundant number, since it is smaller than the sum of its proper divisors (1492780231008).

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

497924871840 is a wasteful number, since it uses less digits than its factorization.

497924871840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 497924871840 in words is "four hundred ninety-seven billion, nine hundred twenty-four million, eight hundred seventy-one thousand, eight hundred forty".