40048849746 has 24 divisors (see below), whose sum is σ = 87817962960. Its totient is φ = 13188777336.

The previous prime is 40048849741. The next prime is 40048849793. The reversal of 40048849746 is 64794884004.

It is a junction number, because it is equal to n+sod(n) for n = 40048849692 and 40048849701.

It is not an unprimeable number, because it can be changed into a prime (40048849741) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13401736 + ... + 13404723.

It is an arithmetic number, because the mean of its divisors is an integer number (3659081790).

Almost surely, 2^40048849746 is an apocalyptic number.

40048849746 is an abundant number, since it is smaller than the sum of its proper divisors (47769113214).

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

40048849746 is a wasteful number, since it uses less digits than its factorization.

40048849746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26806550 (or 26806547 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 40048849746 in words is "forty billion, forty-eight million, eight hundred forty-nine thousand, seven hundred forty-six".