16344040 has 32 divisors (see below), whose sum is σ = 37140480. Its totient is φ = 6472512.

The previous prime is 16344017. The next prime is 16344059. The reversal of 16344040 is 4044361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^16344040 is an apocalyptic number.

16344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16344040 is an abundant number, since it is smaller than the sum of its proper divisors (20796440).

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

16344040 is a wasteful number, since it uses less digits than its factorization.

16344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4077 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16344040 is about 4042.7762738000. The cubic root of 16344040 is about 253.7775140638. Note that the first 3 decimals are identical.

The spelling of 16344040 in words is "sixteen million, three hundred forty-four thousand, forty".