16450140 has 96 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 3684096.

The previous prime is 16450127. The next prime is 16450177. The reversal of 16450140 is 4105461.

16450140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21891 + ... + 22629.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^16450140 is an apocalyptic number.

16450140 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 16450140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853120).

16450140 is an abundant number, since it is smaller than the sum of its proper divisors (37256100).

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

16450140 is a wasteful number, since it uses less digits than its factorization.

16450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 16450140 is about 4055.8772170765. The cubic root of 16450140 is about 254.3254760747.

The spelling of 16450140 in words is "sixteen million, four hundred fifty thousand, one hundred forty".