4139542740 has 96 divisors (see below), whose sum is σ = 11986289280. Its totient is φ = 1066830336.

The previous prime is 4139542739. The next prime is 4139542801. The reversal of 4139542740 is 472459314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203346 + ... + 222774.

It is an arithmetic number, because the mean of its divisors is an integer number (124857180).

Almost surely, 2^4139542740 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 4139542740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5993144640).

4139542740 is an abundant number, since it is smaller than the sum of its proper divisors (7846746540).

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

4139542740 is a wasteful number, since it uses less digits than its factorization.

4139542740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19561 (or 19559 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 4139542740 is about 64339.2783608893. The cubic root of 4139542740 is about 1605.6496549978.

The spelling of 4139542740 in words is "four billion, one hundred thirty-nine million, five hundred forty-two thousand, seven hundred forty".