1870942240 has 24 divisors (see below), whose sum is σ = 4420101420. Its totient is φ = 748376832.

The previous prime is 1870942231. The next prime is 1870942253. The reversal of 1870942240 is 422490781.

It can be written as a sum of positive squares in 2 ways, for example, as 1870043536 + 898704 = 43244^2 + 948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1870942240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5846535 + ... + 5846854.

Almost surely, 2^1870942240 is an apocalyptic number.

1870942240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1870942240 is an abundant number, since it is smaller than the sum of its proper divisors (2549159180).

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

1870942240 is a wasteful number, since it uses less digits than its factorization.

1870942240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693404 (or 11693396 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1870942240 is about 43254.3898350214. The cubic root of 1870942240 is about 1232.2158572134.

The spelling of 1870942240 in words is "one billion, eight hundred seventy million, nine hundred forty-two thousand, two hundred forty".