40444342413 has 16 divisors (see below), whose sum is σ = 56096971200. Its totient is φ = 25887693440.

The previous prime is 40444342409. The next prime is 40444342441. The reversal of 40444342413 is 31424344404.

40444342413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40444342413 - 2² = 40444342409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444343413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282968 + ... + 1314113.

It is an arithmetic number, because the mean of its divisors is an integer number (3506060700).

Almost surely, 2^40444342413 is an apocalyptic number.

It is an amenable number.

40444342413 is a deficient number, since it is larger than the sum of its proper divisors (15652628787).

40444342413 is a wasteful number, since it uses less digits than its factorization.

40444342413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597292.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 40444342413 its reverse (31424344404), we get a palindrome (71868686817).

The spelling of 40444342413 in words is "forty billion, four hundred forty-four million, three hundred forty-two thousand, four hundred thirteen".