40220440404 has 24 divisors (see below), whose sum is σ = 93976803648. Its totient is φ = 13388369280.

The previous prime is 40220440399. The next prime is 40220440417. The reversal of 40220440404 is 40404402204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296437 + ... + 2313884.

It is an arithmetic number, because the mean of its divisors is an integer number (3915700152).

Almost surely, 2^40220440404 is an apocalyptic number.

It is an amenable number.

40220440404 is an abundant number, since it is smaller than the sum of its proper divisors (53756363244).

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

40220440404 is a wasteful number, since it uses less digits than its factorization.

40220440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611055 (or 4611053 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40220440404 its reverse (40404402204), we get a palindrome (80624842608).

The spelling of 40220440404 in words is "forty billion, two hundred twenty million, four hundred forty thousand, four hundred four".