2187025890 has 32 divisors (see below), whose sum is σ = 5998700160. Its totient is φ = 499891584.

The previous prime is 2187025873. The next prime is 2187025901. The reversal of 2187025890 is 985207812.

2187025890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 5206995 + ... + 5207414.

It is an arithmetic number, because the mean of its divisors is an integer number (187459380).

Almost surely, 2^2187025890 is an apocalyptic number.

2187025890 is an abundant number, since it is smaller than the sum of its proper divisors (3811674270).

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

2187025890 is a wasteful number, since it uses less digits than its factorization.

2187025890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414426.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 2187025890 is about 46765.6486109195. The cubic root of 2187025890 is about 1298.0297353197.

The spelling of 2187025890 in words is "two billion, one hundred eighty-seven million, twenty-five thousand, eight hundred ninety".