40242404444 has 24 divisors (see below), whose sum is σ = 76835354736. Its totient is φ = 18289872000.

The previous prime is 40242404443. The next prime is 40242404473. The reversal of 40242404444 is 44440424204.

40242404444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40242404444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40242404444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242404441) 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, 365984 + ... + 463064.

It is an arithmetic number, because the mean of its divisors is an integer number (3201473114).

Almost surely, 2^40242404444 is an apocalyptic number.

40242404444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40242404444 is a deficient number, since it is larger than the sum of its proper divisors (36592950292).

40242404444 is a wasteful number, since it uses less digits than its factorization.

40242404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106517 (or 106515 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40242404444 its reverse (44440424204), we get a palindrome (84682828648).

The spelling of 40242404444 in words is "forty billion, two hundred forty-two million, four hundred four thousand, four hundred forty-four".