16408402026 has 16 divisors (see below), whose sum is σ = 33141724128. Its totient is φ = 5415314000.

The previous prime is 16408401991. The next prime is 16408402027. The reversal of 16408402026 is 62020480461.

It is not an unprimeable number, because it can be changed into a prime (16408402027) 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, 13537680 + ... + 13538891.

It is an arithmetic number, because the mean of its divisors is an integer number (2071357758).

Almost surely, 2^16408402026 is an apocalyptic number.

16408402026 is an abundant number, since it is smaller than the sum of its proper divisors (16733322102).

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

16408402026 is a wasteful number, since it uses less digits than its factorization.

16408402026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27076677.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 16408402026 its reverse (62020480461), we get a palindrome (78428882487).

The spelling of 16408402026 in words is "sixteen billion, four hundred eight million, four hundred two thousand, twenty-six".