2867989940 has 48 divisors (see below), whose sum is σ = 6173483904. Its totient is φ = 1118832000.

The previous prime is 2867989907. The next prime is 2867989997. The reversal of 2867989940 is 499897682.

2867989940 is digitally balanced in base 2, because in such base 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, 124745 + ... + 145935.

It is an arithmetic number, because the mean of its divisors is an integer number (128614248).

Almost surely, 2^2867989940 is an apocalyptic number.

2867989940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2867989940 is an abundant number, since it is smaller than the sum of its proper divisors (3305493964).

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

2867989940 is a wasteful number, since it uses less digits than its factorization.

2867989940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368 (or 21366 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 62.

The square root of 2867989940 is about 53553.6174315050. The cubic root of 2867989940 is about 1420.7768578633.

The spelling of 2867989940 in words is "two billion, eight hundred sixty-seven million, nine hundred eighty-nine thousand, nine hundred forty".