39028729020 has 96 divisors (see below), whose sum is σ = 112002428160. Its totient is φ = 10148682240.

The previous prime is 39028729009. The next prime is 39028729037. The reversal of 39028729020 is 2092782093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8703699 + ... + 8708181.

It is an arithmetic number, because the mean of its divisors is an integer number (1166691960).

Almost surely, 2^39028729020 is an apocalyptic number.

39028729020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39028729020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56001214080).

39028729020 is an abundant number, since it is smaller than the sum of its proper divisors (72973699140).

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

39028729020 is a wasteful number, since it uses less digits than its factorization.

39028729020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075 (or 8073 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 39028729020 in words is "thirty-nine billion, twenty-eight million, seven hundred twenty-nine thousand, twenty".