3945273024 has 336 divisors, whose sum is σ = 13468014720. Its totient is φ = 1007677440.

The previous prime is 3945272999. The next prime is 3945273029. The reversal of 3945273024 is 4203725493.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (3945273029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6933412 + ... + 6933980.

Almost surely, 2^3945273024 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 3945273024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6734007360).

3945273024 is an abundant number, since it is smaller than the sum of its proper divisors (9522741696).

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

3945273024 is a wasteful number, since it uses less digits than its factorization.

3945273024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 3945273024 is about 62811.4083905145. The cubic root of 3945273024 is about 1580.1283108957.

The spelling of 3945273024 in words is "three billion, nine hundred forty-five million, two hundred seventy-three thousand, twenty-four".