3731538535680 has 288 divisors, whose sum is σ = 12237922222848. Its totient is φ = 968667955200.

The previous prime is 3731538535679. The next prime is 3731538535717. The reversal of 3731538535680 is 865358351373.

It is a self number, because there is not a number n which added to its sum of digits gives 3731538535680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22639165 + ... + 22803395.

It is an arithmetic number, because the mean of its divisors is an integer number (42492785496).

Almost surely, 2^{3731538535680} is an apocalyptic number.

3731538535680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3731538535680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6118961111424).

3731538535680 is an abundant number, since it is smaller than the sum of its proper divisors (8506383687168).

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

3731538535680 is a wasteful number, since it uses less digits than its factorization.

3731538535680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164413 (or 164399 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 57.

The spelling of 3731538535680 in words is "three trillion, seven hundred thirty-one billion, five hundred thirty-eight million, five hundred thirty-five thousand, six hundred eighty".