2087043240 has 32 divisors (see below), whose sum is σ = 6261130080. Its totient is φ = 556544832.

The previous prime is 2087043229. The next prime is 2087043263. The reversal of 2087043240 is 423407802.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2087043198 and 2087043207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8695894 + ... + 8696133.

It is an arithmetic number, because the mean of its divisors is an integer number (195660315).

Almost surely, 2^2087043240 is an apocalyptic number.

2087043240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2087043240 is an abundant number, since it is smaller than the sum of its proper divisors (4174086840).

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

2087043240 is a wasteful number, since it uses less digits than its factorization.

2087043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17392041 (or 17392037 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2087043240 is about 45684.1683737375. The cubic root of 2087043240 is about 1277.9400541532.

The spelling of 2087043240 in words is "two billion, eighty-seven million, forty-three thousand, two hundred forty".