3999834377448 has 512 divisors, whose sum is σ = 13267940797440. Its totient is φ = 974864056320.

The previous prime is 3999834377417. The next prime is 3999834377459. The reversal of 3999834377448 is 8447734389993.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1714458490 + ... + 1714460822.

It is an arithmetic number, because the mean of its divisors is an integer number (25913946870).

Almost surely, 2^{3999834377448} 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 3999834377448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6633970398720).

3999834377448 is an abundant number, since it is smaller than the sum of its proper divisors (9268106419992).

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

3999834377448 is a wasteful number, since it uses less digits than its factorization.

3999834377448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3193 counting only the distinct ones).

The product of its digits is 3950456832, while the sum is 78.

The spelling of 3999834377448 in words is "three trillion, nine hundred ninety-nine billion, eight hundred thirty-four million, three hundred seventy-seven thousand, four hundred forty-eight".