38867741664 has 24 divisors (see below), whose sum is σ = 102027822120. Its totient is φ = 12955913856.

The previous prime is 38867741663. The next prime is 38867741677. The reversal of 38867741664 is 46614776883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 38867741598 and 38867741607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38867741663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202436059 + ... + 202436250.

It is an arithmetic number, because the mean of its divisors is an integer number (4251159255).

Almost surely, 2^38867741664 is an apocalyptic number.

It is an amenable number.

38867741664 is an abundant number, since it is smaller than the sum of its proper divisors (63160080456).

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

38867741664 is a wasteful number, since it uses less digits than its factorization.

38867741664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404872322 (or 404872314 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 38867741664 in words is "thirty-eight billion, eight hundred sixty-seven million, seven hundred forty-one thousand, six hundred sixty-four".