39554942428 has 24 divisors (see below), whose sum is σ = 72008168400. Its totient is φ = 18988800768.

The previous prime is 39554942417. The next prime is 39554942437. The reversal of 39554942428 is 82424945593.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 931725 + ... + 973252.

It is an arithmetic number, because the mean of its divisors is an integer number (3000340350).

Almost surely, 2^39554942428 is an apocalyptic number.

It is an amenable number.

39554942428 is a deficient number, since it is larger than the sum of its proper divisors (32453225972).

39554942428 is a wasteful number, since it uses less digits than its factorization.

39554942428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905189 (or 1905187 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The spelling of 39554942428 in words is "thirty-nine billion, five hundred fifty-four million, nine hundred forty-two thousand, four hundred twenty-eight".