408781881575 has 24 divisors (see below), whose sum is σ = 512187935136. Its totient is φ = 323616384000.

The previous prime is 408781881559. The next prime is 408781881643. The reversal of 408781881575 is 575188187804.

It is not a de Polignac number, because 408781881575 - 2⁴ = 408781881559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1667915 + ... + 1897235.

It is an arithmetic number, because the mean of its divisors is an integer number (21341163964).

Almost surely, 2^408781881575 is an apocalyptic number.

408781881575 is a deficient number, since it is larger than the sum of its proper divisors (103406053561).

408781881575 is a wasteful number, since it uses less digits than its factorization.

408781881575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230075 (or 230070 counting only the distinct ones).

The product of its (nonzero) digits is 20070400, while the sum is 62.

The spelling of 408781881575 in words is "four hundred eight billion, seven hundred eighty-one million, eight hundred eighty-one thousand, five hundred seventy-five".