40042552444 has 6 divisors (see below), whose sum is σ = 70074466784. Its totient is φ = 20021276220.

The previous prime is 40042552441. The next prime is 40042552477. The reversal of 40042552444 is 44425524004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042552441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005319052 + ... + 5005319059.

Almost surely, 2^40042552444 is an apocalyptic number.

It is an amenable number.

40042552444 is a deficient number, since it is larger than the sum of its proper divisors (30031914340).

40042552444 is a wasteful number, since it uses less digits than its factorization.

40042552444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010638115 (or 10010638113 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

The spelling of 40042552444 in words is "forty billion, forty-two million, five hundred fifty-two thousand, four hundred forty-four".