16273140 has 96 divisors (see below), whose sum is σ = 50727936. Its totient is φ = 3870720.

The previous prime is 16273133. The next prime is 16273141. The reversal of 16273140 is 4137261.

It is a self number, because there is not a number n which added to its sum of digits gives 16273140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23844 + ... + 24516.

It is an arithmetic number, because the mean of its divisors is an integer number (528416).

Almost surely, 2^16273140 is an apocalyptic number.

16273140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16273140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25363968).

16273140 is an abundant number, since it is smaller than the sum of its proper divisors (34454796).

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

16273140 is a wasteful number, since it uses less digits than its factorization.

16273140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 16273140 is about 4033.9980168562. The cubic root of 16273140 is about 253.4100221811.

The spelling of 16273140 in words is "sixteen million, two hundred seventy-three thousand, one hundred forty".