408871533504 has 112 divisors (see below), whose sum is σ = 1237802521088. Its totient is φ = 116683158528.

The previous prime is 408871533451. The next prime is 408871533523. The reversal of 408871533504 is 405335178804.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968109 + ... + 1324755.

It is an arithmetic number, because the mean of its divisors is an integer number (11051808224).

Almost surely, 2^408871533504 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 408871533504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618901260544).

408871533504 is an abundant number, since it is smaller than the sum of its proper divisors (828930987584).

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

408871533504 is a wasteful number, since it uses less digits than its factorization.

408871533504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357522 (or 357512 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 408871533504 in words is "four hundred eight billion, eight hundred seventy-one million, five hundred thirty-three thousand, five hundred four".