40244120413 has 8 divisors (see below), whose sum is σ = 45994786560. Its totient is φ = 34493830800.

The previous prime is 40244120377. The next prime is 40244120453. The reversal of 40244120413 is 31402144204.

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 40244120413 - 2¹³ = 40244112221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244120453) 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, 193503 + ... + 343411.

It is an arithmetic number, because the mean of its divisors is an integer number (5749348320).

Almost surely, 2^40244120413 is an apocalyptic number.

It is an amenable number.

40244120413 is a deficient number, since it is larger than the sum of its proper divisors (5750666147).

40244120413 is a wasteful number, since it uses less digits than its factorization.

40244120413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188267.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40244120413 its reverse (31402144204), we get a palindrome (71646264617).

The spelling of 40244120413 in words is "forty billion, two hundred forty-four million, one hundred twenty thousand, four hundred thirteen".