2987945940 has 48 divisors (see below), whose sum is σ = 9561428352. Its totient is φ = 682958976.

The previous prime is 2987945929. The next prime is 2987945953. The reversal of 2987945940 is 495497892.

2987945940 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent 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, 3556659 + ... + 3557498.

It is an arithmetic number, because the mean of its divisors is an integer number (199196424).

Almost surely, 2^2987945940 is an apocalyptic number.

2987945940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2987945940 is an abundant number, since it is smaller than the sum of its proper divisors (6573482412).

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

2987945940 is a wasteful number, since it uses less digits than its factorization.

2987945940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114176 (or 7114174 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 2987945940 is about 54662.1069846379. The cubic root of 2987945940 is about 1440.3153148244.

The spelling of 2987945940 in words is "two billion, nine hundred eighty-seven million, nine hundred forty-five thousand, nine hundred forty".