2891542080 has 112 divisors (see below), whose sum is σ = 10492191360. Its totient is φ = 660922368.

The previous prime is 2891542067. The next prime is 2891542099. The reversal of 2891542080 is 802451982.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×2891542080² = 16722031200821452800, which contains 22 as substring.

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, 208425 + ... + 221864.

It is an arithmetic number, because the mean of its divisors is an integer number (93680280).

Almost surely, 2^2891542080 is an apocalyptic number.

2891542080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2891542080 is an abundant number, since it is smaller than the sum of its proper divisors (7600649280).

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

2891542080 is a wasteful number, since it uses less digits than its factorization.

2891542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430316 (or 430306 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2891542080 is about 53773.0609134351. The cubic root of 2891542080 is about 1424.6554340804.

The spelling of 2891542080 in words is "two billion, eight hundred ninety-one million, five hundred forty-two thousand, eighty".