40000444033 has 8 divisors (see below), whose sum is σ = 43675512480. Its totient is φ = 36331819680.

The previous prime is 40000444021. The next prime is 40000444087. The reversal of 40000444033 is 33044400004.

It is a happy number.

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 40000444033 - 2²¹ = 39998346881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40000443995 and 40000444013.

It is not an unprimeable number, because it can be changed into a prime (40000444333) 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, 1598035 + ... + 1622872.

It is an arithmetic number, because the mean of its divisors is an integer number (5459439060).

Almost surely, 2^40000444033 is an apocalyptic number.

It is an amenable number.

40000444033 is a deficient number, since it is larger than the sum of its proper divisors (3675068447).

40000444033 is a wasteful number, since it uses less digits than its factorization.

40000444033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222047.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40000444033 its reverse (33044400004), we get a palindrome (73044844037).

The spelling of 40000444033 in words is "forty billion, four hundred forty-four thousand, thirty-three".