2086255990 has 48 divisors (see below), whose sum is σ = 4647280608. Its totient is φ = 660261888.

The previous prime is 2086255973. The next prime is 2086255991. The reversal of 2086255990 is 995526802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2086255990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086255991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76347 + ... + 100006.

It is an arithmetic number, because the mean of its divisors is an integer number (96818346).

Almost surely, 2^2086255990 is an apocalyptic number.

2086255990 is an abundant number, since it is smaller than the sum of its proper divisors (2561024618).

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

2086255990 is a wasteful number, since it uses less digits than its factorization.

2086255990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176393 (or 176380 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 2086255990 is about 45675.5513376686. The cubic root of 2086255990 is about 1277.7793507535.

The spelling of 2086255990 in words is "two billion, eighty-six million, two hundred fifty-five thousand, nine hundred ninety".