16286276840 has 16 divisors (see below), whose sum is σ = 36644122980. Its totient is φ = 6514510720.

The previous prime is 16286276833. The next prime is 16286276857. The reversal of 16286276840 is 4867268261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15004780036 + 1281496804 = 122494^2 + 35798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203578421 + ... + 203578500.

Almost surely, 2^16286276840 is an apocalyptic number.

16286276840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16286276840 is an abundant number, since it is smaller than the sum of its proper divisors (20357846140).

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

16286276840 is a wasteful number, since it uses less digits than its factorization.

16286276840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407156932 (or 407156928 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 16286276840 in words is "sixteen billion, two hundred eighty-six million, two hundred seventy-six thousand, eight hundred forty".