405482141808 has 50 divisors (see below), whose sum is σ = 1173582962024. Its totient is φ = 135160713504.

The previous prime is 405482141807. The next prime is 405482141839. The reversal of 405482141808 is 808141284504.

405482141808 is a `hidden beast` number, since 4 + 0 + 548 + 21 + 4 + 1 + 80 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405482141803) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 156434716 + ... + 156437307.

Almost surely, 2^405482141808 is an apocalyptic number.

405482141808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

405482141808 is an abundant number, since it is smaller than the sum of its proper divisors (768100820216).

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

405482141808 is a wasteful number, since it uses less digits than its factorization.

405482141808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312872043 (or 312872028 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The spelling of 405482141808 in words is "four hundred five billion, four hundred eighty-two million, one hundred forty-one thousand, eight hundred eight".