16049280 has 128 divisors (see below), whose sum is σ = 55177920. Its totient is φ = 3944448.

The previous prime is 16049263. The next prime is 16049287. The reversal of 16049280 is 8294061.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16049287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24639 + ... + 25281.

Almost surely, 2^16049280 is an apocalyptic number.

16049280 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 16049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27588960).

16049280 is an abundant number, since it is smaller than the sum of its proper divisors (39128640).

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

16049280 is a wasteful number, since it uses less digits than its factorization.

16049280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16049280 is about 4006.1552640905. The cubic root of 16049280 is about 252.2426486189.

The spelling of 16049280 in words is "sixteen million, forty-nine thousand, two hundred eighty".