13406406064 has 40 divisors (see below), whose sum is σ = 26367374880. Its totient is φ = 6602500608.

The previous prime is 13406406049. The next prime is 13406406067. The reversal of 13406406064 is 46060460431.

It is not an unprimeable number, because it can be changed into a prime (13406406067) 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, 356614 + ... + 392410.

It is an arithmetic number, because the mean of its divisors is an integer number (659184372).

Almost surely, 2^13406406064 is an apocalyptic number.

It is an amenable number.

13406406064 is a deficient number, since it is larger than the sum of its proper divisors (12960968816).

13406406064 is a wasteful number, since it uses less digits than its factorization.

13406406064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36157 (or 36151 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 13406406064 its reverse (46060460431), we get a palindrome (59466866495).

The spelling of 13406406064 in words is "thirteen billion, four hundred six million, four hundred six thousand, sixty-four".