497446419686640 has 40 divisors (see below), whose sum is σ = 1542083901029328. Its totient is φ = 132652378583040.

The previous prime is 497446419686633. The next prime is 497446419686659. The reversal of 497446419686640 is 46686914644794.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 1036346707441 + ... + 1036346707920.

Almost surely, 2^{497446419686640} is an apocalyptic number.

497446419686640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497446419686640 is an abundant number, since it is smaller than the sum of its proper divisors (1044637481342688).

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

497446419686640 is a wasteful number, since it uses less digits than its factorization.

497446419686640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072693415377 (or 2072693415371 counting only the distinct ones).

The product of its (nonzero) digits is 6019743744, while the sum is 78.

The spelling of 497446419686640 in words is "four hundred ninety-seven trillion, four hundred forty-six billion, four hundred nineteen million, six hundred eighty-six thousand, six hundred forty".