38500081236 has 36 divisors (see below), whose sum is σ = 97530797364. Its totient is φ = 12805516800.

The previous prime is 38500081219. The next prime is 38500081259. The reversal of 38500081236 is 63218000583.

38500081236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28423936836 + 10076144400 = 168594^2 + 100380^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 38500081236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1143325 + ... + 1176516.

Almost surely, 2^38500081236 is an apocalyptic number.

38500081236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38500081236 is an abundant number, since it is smaller than the sum of its proper divisors (59030716128).

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

38500081236 is a wasteful number, since it uses less digits than its factorization.

38500081236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320312 (or 2320307 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 38500081236 in words is "thirty-eight billion, five hundred million, eighty-one thousand, two hundred thirty-six".