40030145444 has 12 divisors (see below), whose sum is σ = 70107025968. Its totient is φ = 19999566600.

The previous prime is 40030145437. The next prime is 40030145483. The reversal of 40030145444 is 44454103004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870722 + ... + 3881049.

It is an arithmetic number, because the mean of its divisors is an integer number (5842252164).

Almost surely, 2^40030145444 is an apocalyptic number.

It is an amenable number.

40030145444 is a deficient number, since it is larger than the sum of its proper divisors (30076880524).

40030145444 is a wasteful number, since it uses less digits than its factorization.

40030145444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753066 (or 7753064 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 40030145444 its reverse (44454103004), we get a palindrome (84484248448).

The spelling of 40030145444 in words is "forty billion, thirty million, one hundred forty-five thousand, four hundred forty-four".