3985016351232 has 160 divisors (see below), whose sum is σ = 12168965457792. Its totient is φ = 1135196504064.

The previous prime is 3985016351179. The next prime is 3985016351291. The reversal of 3985016351232 is 2321536105893.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073528 + ... + 4173320.

Almost surely, 2^{3985016351232} is an apocalyptic number.

3985016351232 is a gapful number since it is divisible by the number (32) 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 3985016351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6084482728896).

3985016351232 is an abundant number, since it is smaller than the sum of its proper divisors (8183949106560).

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

3985016351232 is a wasteful number, since it uses less digits than its factorization.

3985016351232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100158 (or 1100142 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 3985016351232 in words is "three trillion, nine hundred eighty-five billion, sixteen million, three hundred fifty-one thousand, two hundred thirty-two".