2989056940 has 24 divisors (see below), whose sum is σ = 6341735232. Its totient is φ = 1183296000.

The previous prime is 2989056911. The next prime is 2989056947. The reversal of 2989056940 is 496509892.

It is a super-2 number, since 2×2989056940² = 17868922781124327200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2989056947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768436 + ... + 772315.

It is an arithmetic number, because the mean of its divisors is an integer number (264238968).

Almost surely, 2^2989056940 is an apocalyptic number.

2989056940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2989056940 is an abundant number, since it is smaller than the sum of its proper divisors (3352678292).

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

2989056940 is a wasteful number, since it uses less digits than its factorization.

2989056940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540857 (or 1540855 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 2989056940 is about 54672.2684731482. The cubic root of 2989056940 is about 1440.4938089087.

It can be divided in two parts, 29 and 89056940, that added together give a square (89056969 = 9437²).

The spelling of 2989056940 in words is "two billion, nine hundred eighty-nine million, fifty-six thousand, nine hundred forty".