40049773744 has 20 divisors (see below), whose sum is σ = 77613510096. Its totient is φ = 20020480832.

The previous prime is 40049773717. The next prime is 40049773747. The reversal of 40049773744 is 44737794004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40049773747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199759 + ... + 346414.

Almost surely, 2^40049773744 is an apocalyptic number.

It is an amenable number.

40049773744 is a deficient number, since it is larger than the sum of its proper divisors (37563736352).

40049773744 is a wasteful number, since it uses less digits than its factorization.

40049773744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550764 (or 550758 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 40049773744 in words is "forty billion, forty-nine million, seven hundred seventy-three thousand, seven hundred forty-four".