2940728439 has 32 divisors (see below), whose sum is σ = 4624277760. Its totient is φ = 1642809600.

The previous prime is 2940728437. The next prime is 2940728489. The reversal of 2940728439 is 9348270492.

It is not a de Polignac number, because 2940728439 - 2¹ = 2940728437 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940728431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40182 + ... + 86579.

It is an arithmetic number, because the mean of its divisors is an integer number (144508680).

Almost surely, 2^2940728439 is an apocalyptic number.

2940728439 is a deficient number, since it is larger than the sum of its proper divisors (1683549321).

2940728439 is a wasteful number, since it uses less digits than its factorization.

2940728439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126831.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2940728439 is about 54228.4836501999. The cubic root of 2940728439 is about 1432.6880567172.

The spelling of 2940728439 in words is "two billion, nine hundred forty million, seven hundred twenty-eight thousand, four hundred thirty-nine".