408144809026 has 16 divisors (see below), whose sum is σ = 650621998080. Its totient is φ = 191359402560.

The previous prime is 408144809021. The next prime is 408144809071. The reversal of 408144809026 is 620908441804.

It is a super-2 number, since 2×408144809026² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (408144809021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22138866 + ... + 22157293.

It is an arithmetic number, because the mean of its divisors is an integer number (40663874880).

Almost surely, 2^408144809026 is an apocalyptic number.

408144809026 is a deficient number, since it is larger than the sum of its proper divisors (242477189054).

408144809026 is a wasteful number, since it uses less digits than its factorization.

408144809026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44296449.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 408144809026 in words is "four hundred eight billion, one hundred forty-four million, eight hundred nine thousand, twenty-six".