2989946540 has 48 divisors (see below), whose sum is σ = 7297516800. Its totient is φ = 1007746752.

The previous prime is 2989946513. The next prime is 2989946591. The reversal of 2989946540 is 456499892.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172730 + ... + 189249.

It is an arithmetic number, because the mean of its divisors is an integer number (152031600).

Almost surely, 2^2989946540 is an apocalyptic number.

2989946540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2989946540 is an abundant number, since it is smaller than the sum of its proper divisors (4307570260).

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

2989946540 is a wasteful number, since it uses less digits than its factorization.

2989946540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362054 (or 362052 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 2989946540 is about 54680.4036195784. The cubic root of 2989946540 is about 1440.6367008208.

The spelling of 2989946540 in words is "two billion, nine hundred eighty-nine million, nine hundred forty-six thousand, five hundred forty".