469171958098640 has 40 divisors (see below), whose sum is σ = 1148236634297760. Its totient is φ = 177791478857856.

The previous prime is 469171958098609. The next prime is 469171958098747. The reversal of 469171958098640 is 46890859171964.

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

It is a super-2 number, since 2×469171958098640² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154332879434 + ... + 154332882473.

It is an arithmetic number, because the mean of its divisors is an integer number (28705915857444).

Almost surely, 2^{469171958098640} is an apocalyptic number.

469171958098640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

469171958098640 is an abundant number, since it is smaller than the sum of its proper divisors (679064676199120).

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

469171958098640 is a wasteful number, since it uses less digits than its factorization.

469171958098640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308665761939 (or 308665761933 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 77.

The spelling of 469171958098640 in words is "four hundred sixty-nine trillion, one hundred seventy-one billion, nine hundred fifty-eight million, ninety-eight thousand, six hundred forty".