408641847880 has 32 divisors (see below), whose sum is σ = 1050793323840. Its totient is φ = 140105776320.

The previous prime is 408641847871. The next prime is 408641847881. The reversal of 408641847880 is 88748146804.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (408641847881) by changing a digit.

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, 729717306 + ... + 729717865.

It is an arithmetic number, because the mean of its divisors is an integer number (32837291370).

Almost surely, 2^408641847880 is an apocalyptic number.

408641847880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408641847880 is an abundant number, since it is smaller than the sum of its proper divisors (642151475960).

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

408641847880 is a wasteful number, since it uses less digits than its factorization.

408641847880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459435189 (or 1459435185 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 58.

It can be divided in two parts, 408641 and 847880, that added together give a palindrome (1256521).

The spelling of 408641847880 in words is "four hundred eight billion, six hundred forty-one million, eight hundred forty-seven thousand, eight hundred eighty".