39428188998 has 32 divisors (see below), whose sum is σ = 90552781440. Its totient is φ = 11319096960.

The previous prime is 39428188993. The next prime is 39428189023. The reversal of 39428188998 is 89988182493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428188991) 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 15 ways as a sum of consecutive naturals, for example, 15719715 + ... + 15722222.

It is an arithmetic number, because the mean of its divisors is an integer number (2829774420).

Almost surely, 2^39428188998 is an apocalyptic number.

39428188998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39428188998 is an abundant number, since it is smaller than the sum of its proper divisors (51124592442).

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

39428188998 is a wasteful number, since it uses less digits than its factorization.

39428188998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31441972.

The product of its digits is 71663616, while the sum is 69.

The spelling of 39428188998 in words is "thirty-nine billion, four hundred twenty-eight million, one hundred eighty-eight thousand, nine hundred ninety-eight".