36404136104 has 64 divisors (see below), whose sum is σ = 79430198400. Its totient is φ = 15318169344.

The previous prime is 36404136047. The next prime is 36404136133. The reversal of 36404136104 is 40163140463.

It is a super-2 number, since 2×36404136104² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811854 + ... + 2824770.

It is an arithmetic number, because the mean of its divisors is an integer number (1241096850).

Almost surely, 2^36404136104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36404136104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39715099200).

36404136104 is an abundant number, since it is smaller than the sum of its proper divisors (43026062296).

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

36404136104 is a wasteful number, since it uses less digits than its factorization.

36404136104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13842 (or 13838 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 36404136104 its reverse (40163140463), we get a palindrome (76567276567).

The spelling of 36404136104 in words is "thirty-six billion, four hundred four million, one hundred thirty-six thousand, one hundred four".