40024444004 has 12 divisors (see below), whose sum is σ = 70079519664. Its totient is φ = 20001724104.

The previous prime is 40024443997. The next prime is 40024444049. The reversal of 40024444004 is 40044442004.

It is a happy number.

It is a super-2 number, since 2×40024444004² (a number of 22 digits) contains 22 as substring.

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, 2615894 + ... + 2631149.

It is an arithmetic number, because the mean of its divisors is an integer number (5839959972).

Almost surely, 2^40024444004 is an apocalyptic number.

It is an amenable number.

40024444004 is a deficient number, since it is larger than the sum of its proper divisors (30055075660).

40024444004 is a wasteful number, since it uses less digits than its factorization.

40024444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248954 (or 5248952 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40024444004 its reverse (40044442004), we get a palindrome (80068886008).

The spelling of 40024444004 in words is "forty billion, twenty-four million, four hundred forty-four thousand, four".