40244344403 has 4 divisors (see below), whose sum is σ = 40266917328. Its totient is φ = 40221771480.

The previous prime is 40244344339. The next prime is 40244344451. The reversal of 40244344403 is 30444344204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40244344403 - 2⁶ = 40244344339 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 40244344403.

It is not an unprimeable number, because it can be changed into a prime (40244344603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11283788 + ... + 11287353.

It is an arithmetic number, because the mean of its divisors is an integer number (10066729332).

Almost surely, 2^40244344403 is an apocalyptic number.

40244344403 is a deficient number, since it is larger than the sum of its proper divisors (22572925).

40244344403 is a wasteful number, since it uses less digits than its factorization.

40244344403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572924.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 40244344403 its reverse (30444344204), we get a palindrome (70688688607).

The spelling of 40244344403 in words is "forty billion, two hundred forty-four million, three hundred forty-four thousand, four hundred three".