3992365228038 has 128 divisors (see below), whose sum is σ = 9522321223680. Its totient is φ = 1101703680000.

The previous prime is 3992365228009. The next prime is 3992365228109. The reversal of 3992365228038 is 8308225632993.

It is a super-2 number, since 2×3992365228038² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316822938 + ... + 316835538.

It is an arithmetic number, because the mean of its divisors is an integer number (74393134560).

Almost surely, 2^{3992365228038} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3992365228038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4761160611840).

3992365228038 is an abundant number, since it is smaller than the sum of its proper divisors (5529955995642).

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

3992365228038 is a wasteful number, since it uses less digits than its factorization.

3992365228038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774.

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 3992365228038 in words is "three trillion, nine hundred ninety-two billion, three hundred sixty-five million, two hundred twenty-eight thousand, thirty-eight".