3950694445824 has 360 divisors, whose sum is σ = 13652807148288. Its totient is φ = 1112868771840.

The previous prime is 3950694445783. The next prime is 3950694445847. The reversal of 3950694445824 is 4285444960593.

3950694445824 is a `hidden beast` number, since 3 + 9 + 5 + 0 + 6 + 9 + 4 + 44 + 582 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10114119 + ... + 10497465.

Almost surely, 2^{3950694445824} 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 3950694445824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6826403574144).

3950694445824 is an abundant number, since it is smaller than the sum of its proper divisors (9702112702464).

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

3950694445824 is an equidigital number, since it uses as much as digits as its factorization.

3950694445824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383453 (or 383430 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 63.

The spelling of 3950694445824 in words is "three trillion, nine hundred fifty billion, six hundred ninety-four million, four hundred forty-five thousand, eight hundred twenty-four".