13408408642 has 16 divisors (see below), whose sum is σ = 21176848800. Its totient is φ = 6349648320.

The previous prime is 13408408633. The next prime is 13408408697. The reversal of 13408408642 is 24680480431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13408408595 and 13408408604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102417 + ... + 193147.

It is an arithmetic number, because the mean of its divisors is an integer number (1323553050).

Almost surely, 2^13408408642 is an apocalyptic number.

13408408642 is a deficient number, since it is larger than the sum of its proper divisors (7768440158).

13408408642 is a wasteful number, since it uses less digits than its factorization.

13408408642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94641.

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 13408408642 in words is "thirteen billion, four hundred eight million, four hundred eight thousand, six hundred forty-two".