16283443140 has 72 divisors (see below), whose sum is σ = 49551087768. Its totient is φ = 4328363520.

The previous prime is 16283443133. The next prime is 16283443153. The reversal of 16283443140 is 4134438261.

It can be written as a sum of positive squares in 4 ways, for example, as 340845444 + 15942597696 = 18462^2 + 126264^2 .

It is a super-2 number, since 2×16283443140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16283443095 and 16283443104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88171 + ... + 200850.

Almost surely, 2^16283443140 is an apocalyptic number.

16283443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16283443140 is an abundant number, since it is smaller than the sum of its proper divisors (33267644628).

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

16283443140 is a wasteful number, since it uses less digits than its factorization.

16283443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289349 (or 289344 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 16283443140 in words is "sixteen billion, two hundred eighty-three million, four hundred forty-three thousand, one hundred forty".