40444013130 has 32 divisors (see below), whose sum is σ = 102174350400. Its totient is φ = 10217434752.

The previous prime is 40444013101. The next prime is 40444013177. The reversal of 40444013130 is 3131044404.

It is a super-2 number, since 2×40444013130² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40444013130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35476635 + ... + 35477774.

It is an arithmetic number, because the mean of its divisors is an integer number (3192948450).

Almost surely, 2^40444013130 is an apocalyptic number.

40444013130 is an abundant number, since it is smaller than the sum of its proper divisors (61730337270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40444013130 is a wasteful number, since it uses less digits than its factorization.

40444013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70954438.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40444013130 its reverse (3131044404), we get a palindrome (43575057534).

The spelling of 40444013130 in words is "forty billion, four hundred forty-four million, thirteen thousand, one hundred thirty".