39231408428 has 12 divisors (see below), whose sum is σ = 68878598712. Its totient is φ = 19551808800.

The previous prime is 39231408427. The next prime is 39231408451. The reversal of 39231408428 is 82480413293.

It is not an unprimeable number, because it can be changed into a prime (39231408427) 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 3 ways as a sum of consecutive naturals, for example, 15972473 + ... + 15974928.

It is an arithmetic number, because the mean of its divisors is an integer number (5739883226).

Almost surely, 2^39231408428 is an apocalyptic number.

It is an amenable number.

39231408428 is a deficient number, since it is larger than the sum of its proper divisors (29647190284).

39231408428 is a wasteful number, since it uses less digits than its factorization.

39231408428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947712 (or 31947710 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 39231408428 in words is "thirty-nine billion, two hundred thirty-one million, four hundred eight thousand, four hundred twenty-eight".