408481240528 has 40 divisors (see below), whose sum is σ = 843413660928. Its totient is φ = 191203976832.

The previous prime is 408481240487. The next prime is 408481240577. The reversal of 408481240528 is 825042184804.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11791251 + ... + 11825842.

Almost surely, 2^408481240528 is an apocalyptic number.

It is an amenable number.

408481240528 is an abundant number, since it is smaller than the sum of its proper divisors (434932420400).

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

408481240528 is a wasteful number, since it uses less digits than its factorization.

408481240528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23617171 (or 23617165 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 46.

The spelling of 408481240528 in words is "four hundred eight billion, four hundred eighty-one million, two hundred forty thousand, five hundred twenty-eight".