408224899894 has 64 divisors (see below), whose sum is σ = 739130832000. Its totient is φ = 168826729344.

The previous prime is 408224899877. The next prime is 408224899903. The reversal of 408224899894 is 498998422804.

It is a super-2 number, since 2×408224899894² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 44498292 + ... + 44507464.

It is an arithmetic number, because the mean of its divisors is an integer number (11548919250).

Almost surely, 2^408224899894 is an apocalyptic number.

408224899894 is a deficient number, since it is larger than the sum of its proper divisors (330905932106).

408224899894 is a wasteful number, since it uses less digits than its factorization.

408224899894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462 (or 11448 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 67.

The spelling of 408224899894 in words is "four hundred eight billion, two hundred twenty-four million, eight hundred ninety-nine thousand, eight hundred ninety-four".