40444432434 has 32 divisors (see below), whose sum is σ = 102716019840. Its totient is φ = 11555552016.

The previous prime is 40444432421. The next prime is 40444432507. The reversal of 40444432434 is 43423444404.

40444432434 is a `hidden beast` number, since 404 + 4 + 4 + 4 + 3 + 243 + 4 = 666.

It is a super-2 number, since 2×40444432434² (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 15 ways as a sum of consecutive naturals, for example, 53497549 + ... + 53498304.

It is an arithmetic number, because the mean of its divisors is an integer number (3209875620).

Almost surely, 2^40444432434 is an apocalyptic number.

40444432434 is an abundant number, since it is smaller than the sum of its proper divisors (62271587406).

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

40444432434 is a wasteful number, since it uses less digits than its factorization.

40444432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106995871 (or 106995865 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 40444432434 its reverse (43423444404), we get a palindrome (83867876838).

It can be divided in two parts, 40444 and 432434, that added together give a triangular number (472878 = T₉₇₂).

The spelling of 40444432434 in words is "forty billion, four hundred forty-four million, four hundred thirty-two thousand, four hundred thirty-four".