2934123640 has 128 divisors (see below), whose sum is σ = 7965734400. Its totient is φ = 950192640.

The previous prime is 2934123623. The next prime is 2934123641. The reversal of 2934123640 is 463214392.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2934123596 and 2934123605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2934123641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2483850 + ... + 2485030.

It is an arithmetic number, because the mean of its divisors is an integer number (62232300).

Almost surely, 2^2934123640 is an apocalyptic number.

2934123640 is a gapful number since it is divisible by the number (20) 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 2934123640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982867200).

2934123640 is an abundant number, since it is smaller than the sum of its proper divisors (5031610760).

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

2934123640 is a wasteful number, since it uses less digits than its factorization.

2934123640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2934123640 is about 54167.5515414902. The cubic root of 2934123640 is about 1431.6146594330.

The spelling of 2934123640 in words is "two billion, nine hundred thirty-four million, one hundred twenty-three thousand, six hundred forty".