3944548530 has 384 divisors, whose sum is σ = 12284213760. Its totient is φ = 903260160.

The previous prime is 3944548529. The next prime is 3944548537. The reversal of 3944548530 is 358454493.

3944548530 is a `hidden beast` number, since 3 + 94 + 454 + 85 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3944548537) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44320726 + ... + 44320814.

It is an arithmetic number, because the mean of its divisors is an integer number (31990140).

Almost surely, 2^3944548530 is an apocalyptic number.

3944548530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944548530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6142106880).

3944548530 is an abundant number, since it is smaller than the sum of its proper divisors (8339665230).

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

3944548530 is a wasteful number, since it uses less digits than its factorization.

3944548530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 3944548530 is about 62805.6409090776. The cubic root of 3944548530 is about 1580.0315821813.

The spelling of 3944548530 in words is "three billion, nine hundred forty-four million, five hundred forty-eight thousand, five hundred thirty".