40030442544 has 20 divisors (see below), whose sum is σ = 103411976696. Its totient is φ = 13343480832.

The previous prime is 40030442527. The next prime is 40030442563. The reversal of 40030442544 is 44524403004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416983729 + ... + 416983824.

Almost surely, 2^40030442544 is an apocalyptic number.

It is an amenable number.

40030442544 is an abundant number, since it is smaller than the sum of its proper divisors (63381534152).

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

40030442544 is a wasteful number, since it uses less digits than its factorization.

40030442544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833967564 (or 833967558 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 40030442544 its reverse (44524403004), we get a palindrome (84554845548).

The spelling of 40030442544 in words is "forty billion, thirty million, four hundred forty-two thousand, five hundred forty-four".