38644426000 has 40 divisors (see below), whose sum is σ = 93442226904. Its totient is φ = 15457769600.

The previous prime is 38644425961. The next prime is 38644426019. The reversal of 38644426000 is 62444683.

It can be written as a sum of positive squares in 4 ways, for example, as 25887744 + 38618538256 = 5088^2 + 196516^2 .

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

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, 9659107 + ... + 9663106.

Almost surely, 2^38644426000 is an apocalyptic number.

It is an amenable number.

38644426000 is an abundant number, since it is smaller than the sum of its proper divisors (54797800904).

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

38644426000 is a wasteful number, since it uses less digits than its factorization.

38644426000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322236 (or 19322220 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 38644426000 in words is "thirty-eight billion, six hundred forty-four million, four hundred twenty-six thousand".