469997918208 has 1536 divisors, whose sum is σ = 1859803545600. Its totient is φ = 113865523200.

The previous prime is 469997918189. The next prime is 469997918251. The reversal of 469997918208 is 802819799964.

469997918208 is a `hidden beast` number, since 469 + 99 + 79 + 1 + 8 + 2 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3587770303 + ... + 3587770433.

It is an arithmetic number, because the mean of its divisors is an integer number (1210809600).

Almost surely, 2^469997918208 is an apocalyptic number.

469997918208 is a gapful number since it is divisible by the number (48) 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 469997918208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929901772800).

469997918208 is an abundant number, since it is smaller than the sum of its proper divisors (1389805627392).

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

469997918208 is a wasteful number, since it uses less digits than its factorization.

469997918208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 469997918208 in words is "four hundred sixty-nine billion, nine hundred ninety-seven million, nine hundred eighteen thousand, two hundred eight".