40003113044 has 24 divisors (see below), whose sum is σ = 71727768000. Its totient is φ = 19509667520.

The previous prime is 40003113041. The next prime is 40003113067. The reversal of 40003113044 is 44031130004.

It is a happy number.

It is a super-2 number, since 2×40003113044² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003113041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862847 + ... + 908025.

It is an arithmetic number, because the mean of its divisors is an integer number (2988657000).

Almost surely, 2^40003113044 is an apocalyptic number.

It is an amenable number.

40003113044 is a deficient number, since it is larger than the sum of its proper divisors (31724654956).

40003113044 is a wasteful number, since it uses less digits than its factorization.

40003113044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623 (or 50621 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40003113044 its reverse (44031130004), we get a palindrome (84034243048).

The spelling of 40003113044 in words is "forty billion, three million, one hundred thirteen thousand, forty-four".