408285471540 has 48 divisors (see below), whose sum is σ = 1144035833472. Its totient is φ = 108796457856.

The previous prime is 408285471509. The next prime is 408285471563. The reversal of 408285471540 is 45174582804.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 408285471540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406919 + ... + 2570958.

It is an arithmetic number, because the mean of its divisors is an integer number (23834079864).

Almost surely, 2^408285471540 is an apocalyptic number.

It is an amenable number.

408285471540 is an abundant number, since it is smaller than the sum of its proper divisors (735750361932).

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

408285471540 is a wasteful number, since it uses less digits than its factorization.

408285471540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979256 (or 4979254 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 408285471540 in words is "four hundred eight billion, two hundred eighty-five million, four hundred seventy-one thousand, five hundred forty".