1881868360 has 32 divisors (see below), whose sum is σ = 4276135800. Its totient is φ = 745292800.

The previous prime is 1881868343. The next prime is 1881868381. The reversal of 1881868360 is 638681881.

It can be written as a sum of positive squares in 4 ways, for example, as 1590892996 + 290975364 = 39886^2 + 17058^2 .

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, 228865 + ... + 236944.

Almost surely, 2^1881868360 is an apocalyptic number.

1881868360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1881868360 is an abundant number, since it is smaller than the sum of its proper divisors (2394267440).

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

1881868360 is a wasteful number, since it uses less digits than its factorization.

1881868360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465921 (or 465917 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 1881868360 is about 43380.5066821493. The cubic root of 1881868360 is about 1234.6098763945.

It can be divided in two parts, 18818 and 68360, that added together give a palindrome (87178).

The spelling of 1881868360 in words is "one billion, eight hundred eighty-one million, eight hundred sixty-eight thousand, three hundred sixty".