40104040104 has 96 divisors (see below), whose sum is σ = 109898535240. Its totient is φ = 13210560000.

The previous prime is 40104040063. The next prime is 40104040117.

40104040104 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 40004000100 + 100040004 = 200010^2 + 10002^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4045554 + ... + 4055454.

Almost surely, 2^40104040104 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 40104040104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54949267620).

40104040104 is an abundant number, since it is smaller than the sum of its proper divisors (69794495136).

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

40104040104 is a wasteful number, since it uses less digits than its factorization.

40104040104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571 (or 10564 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 401040 and 40104, that added together give a palindrome (441144).

The spelling of 40104040104 in words is "forty billion, one hundred four million, forty thousand, one hundred four".