40404022040404 has 18 divisors (see below), whose sum is σ = 77719306859642. Its totient is φ = 18365464563600.

The previous prime is 40404022040387. The next prime is 40404022040449.

40404022040404 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 39499339522500 + 904682517904 = 6284850^2 + 951148^2 .

It is a super-2 number, since 2×40404022040404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41739691707 + ... + 41739692674.

Almost surely, 2^{40404022040404} is an apocalyptic number.

40404022040404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40404022040404 is a deficient number, since it is larger than the sum of its proper divisors (37315284819238).

40404022040404 is a wasteful number, since it uses less digits than its factorization.

40404022040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83479384407 (or 83479384394 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

It can be divided in two parts, 4040402 and 2040404, that added together give a palindrome (6080806).

The spelling of 40404022040404 in words is "forty trillion, four hundred four billion, twenty-two million, forty thousand, four hundred four".