40043144554 has 16 divisors (see below), whose sum is σ = 68648323968. Its totient is φ = 17160614352.

The previous prime is 40043144549. The next prime is 40043144563. The reversal of 40043144554 is 45544134004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396264 + ... + 486940.

It is an arithmetic number, because the mean of its divisors is an integer number (4290520248).

Almost surely, 2^40043144554 is an apocalyptic number.

40043144554 is a deficient number, since it is larger than the sum of its proper divisors (28605179414).

40043144554 is a wasteful number, since it uses less digits than its factorization.

40043144554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122229.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40043144554 its reverse (45544134004), we get a palindrome (85587278558).

The spelling of 40043144554 in words is "forty billion, forty-three million, one hundred forty-four thousand, five hundred fifty-four".