3945231360 has 616 divisors, whose sum is σ = 16323858816. Its totient is φ = 895795200.

The previous prime is 3945231343. The next prime is 3945231403. The reversal of 3945231360 is 631325493.

It is a happy number.

3945231360 is a `hidden beast` number, since 394 + 5 + 231 + 36 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 26127285 + ... + 26127435.

Almost surely, 2^3945231360 is an apocalyptic number.

3945231360 is a gapful number since it is divisible by the number (30) 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 3945231360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8161929408).

3945231360 is an abundant number, since it is smaller than the sum of its proper divisors (12378627456).

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

3945231360 is an equidigital number, since it uses as much as digits as its factorization.

3945231360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 3945231360 is about 62811.0767301437. The cubic root of 3945231360 is about 1580.1227485685.

The spelling of 3945231360 in words is "three billion, nine hundred forty-five million, two hundred thirty-one thousand, three hundred sixty".