40433440025 has 24 divisors (see below), whose sum is σ = 54706584864. Its totient is φ = 29400134400.

The previous prime is 40433440013. The next prime is 40433440039. The reversal of 40433440025 is 52004433404.

It is not a de Polignac number, because 40433440025 - 2⁴ = 40433440009 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 40433440025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1682897 + ... + 1706753.

It is an arithmetic number, because the mean of its divisors is an integer number (2279441036).

Almost surely, 2^40433440025 is an apocalyptic number.

It is an amenable number.

40433440025 is a deficient number, since it is larger than the sum of its proper divisors (14273144839).

40433440025 is a wasteful number, since it uses less digits than its factorization.

40433440025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30041 (or 30036 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 40433440025 its reverse (52004433404), we get a palindrome (92437873429).

The spelling of 40433440025 in words is "forty billion, four hundred thirty-three million, four hundred forty thousand, twenty-five".