40444429043 has 4 divisors (see below), whose sum is σ = 40898860920. Its totient is φ = 39989997168.

The previous prime is 40444429027. The next prime is 40444429061. The reversal of 40444429043 is 34092444404.

It is a happy number.

40444429043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40444429043 - 2⁴ = 40444429027 is a prime.

It is a super-2 number, since 2×40444429043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40444428988 and 40444429006.

It is not an unprimeable number, because it can be changed into a prime (40444429073) 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, 227215805 + ... + 227215982.

It is an arithmetic number, because the mean of its divisors is an integer number (10224715230).

Almost surely, 2^40444429043 is an apocalyptic number.

40444429043 is a deficient number, since it is larger than the sum of its proper divisors (454431877).

40444429043 is an equidigital number, since it uses as much as digits as its factorization.

40444429043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454431876.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 40444429043 in words is "forty billion, four hundred forty-four million, four hundred twenty-nine thousand, forty-three".