40030440444 has 36 divisors (see below), whose sum is σ = 102468926560. Its totient is φ = 13174574400.

The previous prime is 40030440403. The next prime is 40030440479. The reversal of 40030440444 is 44404403004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7034857 + ... + 7040544.

Almost surely, 2^40030440444 is an apocalyptic number.

It is an amenable number.

40030440444 is an abundant number, since it is smaller than the sum of its proper divisors (62438486116).

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

40030440444 is a wasteful number, since it uses less digits than its factorization.

40030440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075490 (or 14075485 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40030440444 its reverse (44404403004), we get a palindrome (84434843448).

The spelling of 40030440444 in words is "forty billion, thirty million, four hundred forty thousand, four hundred forty-four".