40404441542 has 16 divisors (see below), whose sum is σ = 62597092992. Its totient is φ = 19539480960.

The previous prime is 40404441541. The next prime is 40404441557. The reversal of 40404441542 is 24514440404.

It is a junction number, because it is equal to n+sod(n) for n = 40404441499 and 40404441508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404441541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73193 + ... + 293540.

It is an arithmetic number, because the mean of its divisors is an integer number (3912318312).

Almost surely, 2^40404441542 is an apocalyptic number.

40404441542 is a deficient number, since it is larger than the sum of its proper divisors (22192651450).

40404441542 is a wasteful number, since it uses less digits than its factorization.

40404441542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368543.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 40404441542 its reverse (24514440404), we get a palindrome (64918881946).

The spelling of 40404441542 in words is "forty billion, four hundred four million, four hundred forty-one thousand, five hundred forty-two".