16084440 has 128 divisors (see below), whose sum is σ = 54820800. Its totient is φ = 4193280.

The previous prime is 16084391. The next prime is 16084441. The reversal of 16084440 is 4448061.

It is a super-2 number, since 2×16084440² = 517418420227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16084441) 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, 57100 + ... + 57380.

Almost surely, 2^16084440 is an apocalyptic number.

16084440 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 16084440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27410400).

16084440 is an abundant number, since it is smaller than the sum of its proper divisors (38736360).

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

16084440 is a wasteful number, since it uses less digits than its factorization.

16084440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 16084440 is about 4010.5411106234. The cubic root of 16084440 is about 252.4267146727.

The spelling of 16084440 in words is "sixteen million, eighty-four thousand, four hundred forty".