2889130640 has 40 divisors (see below), whose sum is σ = 7327888128. Its totient is φ = 1050592640.

The previous prime is 2889130627. The next prime is 2889130661. The reversal of 2889130640 is 460319882.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640672 + ... + 1642431.

Almost surely, 2^2889130640 is an apocalyptic number.

2889130640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889130640 is an abundant number, since it is smaller than the sum of its proper divisors (4438757488).

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

2889130640 is a wasteful number, since it uses less digits than its factorization.

2889130640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283127 (or 3283121 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2889130640 is about 53750.6338567277. The cubic root of 2889130640 is about 1424.2592871495.

The spelling of 2889130640 in words is "two billion, eight hundred eighty-nine million, one hundred thirty thousand, six hundred forty".