39748047124 has 12 divisors (see below), whose sum is σ = 71255645748. Its totient is φ = 19389291200.

The previous prime is 39748047107. The next prime is 39748047173. The reversal of 39748047124 is 42174084793.

It can be written as a sum of positive squares in 2 ways, for example, as 19270437124 + 20477610000 = 138818^2 + 143100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121182907 + ... + 121183234.

It is an arithmetic number, because the mean of its divisors is an integer number (5937970479).

Almost surely, 2^39748047124 is an apocalyptic number.

It is an amenable number.

39748047124 is a deficient number, since it is larger than the sum of its proper divisors (31507598624).

39748047124 is a wasteful number, since it uses less digits than its factorization.

39748047124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242366186 (or 242366184 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 39748047124 in words is "thirty-nine billion, seven hundred forty-eight million, forty-seven thousand, one hundred twenty-four".