40000004441 has 4 divisors (see below), whose sum is σ = 40032499584. Its totient is φ = 39967509300.

The previous prime is 40000004411. The next prime is 40000004461. The reversal of 40000004441 is 14440000004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40000004441 - 2¹⁸ = 39999742297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40000004411) 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, 16245725 + ... + 16248186.

It is an arithmetic number, because the mean of its divisors is an integer number (10008124896).

Almost surely, 2^40000004441 is an apocalyptic number.

It is an amenable number.

40000004441 is a deficient number, since it is larger than the sum of its proper divisors (32495143).

40000004441 is a wasteful number, since it uses less digits than its factorization.

40000004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32495142.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40000004441 its reverse (14440000004), we get a palindrome (54440004445).

The spelling of 40000004441 in words is "forty billion, four thousand, four hundred forty-one".