40444324507 has 4 divisors (see below), whose sum is σ = 40449789256. Its totient is φ = 40438859760.

The previous prime is 40444324489. The next prime is 40444324523. The reversal of 40444324507 is 70542344404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40444324507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444324537) 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, 2721258 + ... + 2736079.

It is an arithmetic number, because the mean of its divisors is an integer number (10112447314).

Almost surely, 2^40444324507 is an apocalyptic number.

40444324507 is a deficient number, since it is larger than the sum of its proper divisors (5464749).

40444324507 is an equidigital number, since it uses as much as digits as its factorization.

40444324507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464748.

The product of its (nonzero) digits is 215040, while the sum is 37.

The spelling of 40444324507 in words is "forty billion, four hundred forty-four million, three hundred twenty-four thousand, five hundred seven".