3923440416 has 360 divisors, whose sum is σ = 13940942400. Its totient is φ = 1060210944.

The previous prime is 3923440379. The next prime is 3923440427. The reversal of 3923440416 is 6140443293.

It is a happy number.

3923440416 is a `hidden beast` number, since 3 + 9 + 234 + 4 + 0 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6549685 + ... + 6550283.

It is an arithmetic number, because the mean of its divisors is an integer number (38724840).

Almost surely, 2^3923440416 is an apocalyptic number.

3923440416 is a gapful number since it is divisible by the number (36) 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 3923440416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6970471200).

3923440416 is an abundant number, since it is smaller than the sum of its proper divisors (10017501984).

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

3923440416 is a wasteful number, since it uses less digits than its factorization.

3923440416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3923440416 is about 62637.3723586806. The cubic root of 3923440416 is about 1577.2081788365.

The spelling of 3923440416 in words is "three billion, nine hundred twenty-three million, four hundred forty thousand, four hundred sixteen".