3959095140 has 864 divisors, whose sum is σ = 17023982976. Its totient is φ = 731566080.

The previous prime is 3959095117. The next prime is 3959095141. The reversal of 3959095140 is 415909593.

It is a happy number.

3959095140 is a `hidden beast` number, since 3 + 9 + 590 + 9 + 51 + 4 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959095141) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 54234144 + ... + 54234216.

It is an arithmetic number, because the mean of its divisors is an integer number (19703684).

Almost surely, 2^3959095140 is an apocalyptic number.

3959095140 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 3959095140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8511991488).

3959095140 is an abundant number, since it is smaller than the sum of its proper divisors (13064887836).

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

3959095140 is a wasteful number, since it uses less digits than its factorization.

3959095140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 3959095140 is about 62921.3408948029. The cubic root of 3959095140 is about 1581.9714668412.

The spelling of 3959095140 in words is "three billion, nine hundred fifty-nine million, ninety-five thousand, one hundred forty".