16049140 has 24 divisors (see below), whose sum is σ = 33899040. Its totient is φ = 6382368.

The previous prime is 16049069. The next prime is 16049141. The reversal of 16049140 is 4194061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16049141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (1412460).

Almost surely, 2^16049140 is an apocalyptic number.

16049140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16049140 is an abundant number, since it is smaller than the sum of its proper divisors (17849900).

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

16049140 is a wasteful number, since it uses less digits than its factorization.

16049140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16049140 is about 4006.1377909403. The cubic root of 16049140 is about 252.2419151680.

The spelling of 16049140 in words is "sixteen million, forty-nine thousand, one hundred forty".