3688338707420 has 24 divisors (see below), whose sum is σ = 7876791140400. Its totient is φ = 1450329796352.

The previous prime is 3688338707413. The next prime is 3688338707423. The reversal of 3688338707420 is 247078338863.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a self number, because there is not a number n which added to its sum of digits gives 3688338707420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688338707423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562854205 + ... + 1562856564.

It is an arithmetic number, because the mean of its divisors is an integer number (328199630850).

Almost surely, 2^{3688338707420} is an apocalyptic number.

It is an amenable number.

3688338707420 is an abundant number, since it is smaller than the sum of its proper divisors (4188452432980).

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

3688338707420 is a wasteful number, since it uses less digits than its factorization.

3688338707420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125710837 (or 3125710835 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 3688338707420 in words is "three trillion, six hundred eighty-eight billion, three hundred thirty-eight million, seven hundred seven thousand, four hundred twenty".