40042340404 has 24 divisors (see below), whose sum is σ = 76741939008. Its totient is φ = 18130237440.

The previous prime is 40042340341. The next prime is 40042340423. The reversal of 40042340404 is 40404324004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759224 + ... + 1781839.

It is an arithmetic number, because the mean of its divisors is an integer number (3197580792).

Almost surely, 2^40042340404 is an apocalyptic number.

40042340404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40042340404 is a deficient number, since it is larger than the sum of its proper divisors (36699598604).

40042340404 is a wasteful number, since it uses less digits than its factorization.

40042340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541335 (or 3541333 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40042340404 its reverse (40404324004), we get a palindrome (80446664408).

The spelling of 40042340404 in words is "forty billion, forty-two million, three hundred forty thousand, four hundred four".