38365528720 has 40 divisors (see below), whose sum is σ = 90083040120. Its totient is φ = 15194265600.

The previous prime is 38365528717. The next prime is 38365528759. The reversal of 38365528720 is 2782556383.

It can be written as a sum of positive squares in 4 ways, for example, as 24546115584 + 13819413136 = 156672^2 + 117556^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366025 + ... + 2382184.

It is an arithmetic number, because the mean of its divisors is an integer number (2252076003).

Almost surely, 2^38365528720 is an apocalyptic number.

It is an amenable number.

38365528720 is an abundant number, since it is smaller than the sum of its proper divisors (51717511400).

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

38365528720 is a wasteful number, since it uses less digits than its factorization.

38365528720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748323 (or 4748317 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 38365528720 in words is "thirty-eight billion, three hundred sixty-five million, five hundred twenty-eight thousand, seven hundred twenty".