3864404601512 has 256 divisors, whose sum is σ = 9847611002880. Its totient is φ = 1378064793600.

The previous prime is 3864404601493. The next prime is 3864404601517. The reversal of 3864404601512 is 2151064044683.

It is a super-2 number, since 2×3864404601512² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3864404601517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37162712 + ... + 37266552.

It is an arithmetic number, because the mean of its divisors is an integer number (38467230480).

Almost surely, 2^{3864404601512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3864404601512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4923805501440).

3864404601512 is an abundant number, since it is smaller than the sum of its proper divisors (5983206401368).

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

3864404601512 is a wasteful number, since it uses less digits than its factorization.

3864404601512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104012 (or 104008 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 3864404601512 in words is "three trillion, eight hundred sixty-four billion, four hundred four million, six hundred one thousand, five hundred twelve".