40000404444413 has 8 divisors (see below), whose sum is σ = 45723588578880. Its totient is φ = 34279430470560.

The previous prime is 40000404444401. The next prime is 40000404444467. The reversal of 40000404444413 is 31444440400004.

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

It is a cyclic number.

It is not a de Polignac number, because 40000404444413 - 2⁴ = 40000404444397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40000404444413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000404446413) 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, 552501368 + ... + 552573761.

It is an arithmetic number, because the mean of its divisors is an integer number (5715448572360).

Almost surely, 2^{40000404444413} is an apocalyptic number.

It is an amenable number.

40000404444413 is a deficient number, since it is larger than the sum of its proper divisors (5723184134467).

40000404444413 is a wasteful number, since it uses less digits than its factorization.

40000404444413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105080307.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40000404444413 its reverse (31444440400004), we get a palindrome (71444844844417).

The spelling of 40000404444413 in words is "forty trillion, four hundred four million, four hundred forty-four thousand, four hundred thirteen".