40444495915 has 8 divisors (see below), whose sum is σ = 51388300800. Its totient is φ = 30452326272.

The previous prime is 40444495913. The next prime is 40444495921. The reversal of 40444495915 is 51959444404.

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 40444495915 - 2¹ = 40444495913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40444495913) 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, 237908715 + ... + 237908884.

It is an arithmetic number, because the mean of its divisors is an integer number (6423537600).

Almost surely, 2^40444495915 is an apocalyptic number.

40444495915 is a deficient number, since it is larger than the sum of its proper divisors (10943804885).

40444495915 is a wasteful number, since it uses less digits than its factorization.

40444495915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475817621.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 40444495915 in words is "forty billion, four hundred forty-four million, four hundred ninety-five thousand, nine hundred fifteen".