40444423030 has 96 divisors (see below), whose sum is σ = 80991318240. Its totient is φ = 14529715200.

The previous prime is 40444423027. The next prime is 40444423039. The reversal of 40444423030 is 3032444404.

It is a self number, because there is not a number n which added to its sum of digits gives 40444423030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444423039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40083166 + ... + 40084174.

It is an arithmetic number, because the mean of its divisors is an integer number (843659565).

Almost surely, 2^40444423030 is an apocalyptic number.

40444423030 is an abundant number, since it is smaller than the sum of its proper divisors (40546895210).

40444423030 is a wasteful number, since it uses less digits than its factorization.

40444423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40444423030 its reverse (3032444404), we get a palindrome (43476867434).

The spelling of 40444423030 in words is "forty billion, four hundred forty-four million, four hundred twenty-three thousand, thirty".