40400404413 has 8 divisors (see below), whose sum is σ = 54067456800. Its totient is φ = 26833477488.

The previous prime is 40400404351. The next prime is 40400404423. The reversal of 40400404413 is 31440400404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40400404413 - 2¹² = 40400400317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400404423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25030423 + ... + 25032036.

It is an arithmetic number, because the mean of its divisors is an integer number (6758432100).

Almost surely, 2^40400404413 is an apocalyptic number.

It is an amenable number.

40400404413 is a deficient number, since it is larger than the sum of its proper divisors (13667052387).

40400404413 is a wasteful number, since it uses less digits than its factorization.

40400404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062731.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40400404413 its reverse (31440400404), we get a palindrome (71840804817).

The spelling of 40400404413 in words is "forty billion, four hundred million, four hundred four thousand, four hundred thirteen".