39948403558 has 12 divisors (see below), whose sum is σ = 69705888012. Its totient is φ = 17120744340.

The previous prime is 39948403531. The next prime is 39948403577. The reversal of 39948403558 is 85530484993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203818288 + ... + 203818483.

It is an arithmetic number, because the mean of its divisors is an integer number (5808824001).

Almost surely, 2^39948403558 is an apocalyptic number.

39948403558 is a deficient number, since it is larger than the sum of its proper divisors (29757484454).

39948403558 is a wasteful number, since it uses less digits than its factorization.

39948403558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407636787 (or 407636780 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 39948403558 in words is "thirty-nine billion, nine hundred forty-eight million, four hundred three thousand, five hundred fifty-eight".