2086440920 has 64 divisors (see below), whose sum is σ = 5046796800. Its totient is φ = 773815680.

The previous prime is 2086440919. The next prime is 2086441001. The reversal of 2086440920 is 290446802.

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, 6515 + ... + 64925.

It is an arithmetic number, because the mean of its divisors is an integer number (78856200).

Almost surely, 2^2086440920 is an apocalyptic number.

2086440920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2086440920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523398400).

2086440920 is an abundant number, since it is smaller than the sum of its proper divisors (2960355880).

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

2086440920 is a wasteful number, since it uses less digits than its factorization.

2086440920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58488 (or 58484 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2086440920 is about 45677.5756799767. The cubic root of 2086440920 is about 1277.8171046301.

The spelling of 2086440920 in words is "two billion, eighty-six million, four hundred forty thousand, nine hundred twenty".