13402042401 has 24 divisors (see below), whose sum is σ = 19714183552. Its totient is φ = 8092418400.

The previous prime is 13402042391. The next prime is 13402042469. The reversal of 13402042401 is 10424020431.

It is not a de Polignac number, because 13402042401 - 2⁷ = 13402042273 is a prime.

It is a super-2 number, since 2×13402042401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13402046401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30255 + ... + 166491.

Almost surely, 2^13402042401 is an apocalyptic number.

13402042401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13402042401 is a deficient number, since it is larger than the sum of its proper divisors (6312141151).

13402042401 is a wasteful number, since it uses less digits than its factorization.

13402042401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136533 (or 136522 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13402042401 its reverse (10424020431), we get a palindrome (23826062832).

The spelling of 13402042401 in words is "thirteen billion, four hundred two million, forty-two thousand, four hundred one".