2890145885 has 16 divisors (see below), whose sum is σ = 3871454400. Its totient is φ = 2053040640.

The previous prime is 2890145851. The next prime is 2890145893. The reversal of 2890145885 is 5885410982.

It is not a de Polignac number, because 2890145885 - 2⁶ = 2890145821 is a prime.

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, 608660 + ... + 613389.

It is an arithmetic number, because the mean of its divisors is an integer number (241965900).

Almost surely, 2^2890145885 is an apocalyptic number.

It is an amenable number.

2890145885 is a deficient number, since it is larger than the sum of its proper divisors (981308515).

2890145885 is a wasteful number, since it uses less digits than its factorization.

2890145885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222108.

The product of its (nonzero) digits is 921600, while the sum is 50.

The square root of 2890145885 is about 53760.0770553763. The cubic root of 2890145885 is about 1424.4260965882.

The spelling of 2890145885 in words is "two billion, eight hundred ninety million, one hundred forty-five thousand, eight hundred eighty-five".