16880440 has 32 divisors (see below), whose sum is σ = 38112480. Its totient is φ = 6728832.

The previous prime is 16880393. The next prime is 16880453. The reversal of 16880440 is 4408861.

It is a congruent 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, 15349 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (1191015).

Almost surely, 2^16880440 is an apocalyptic number.

16880440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16880440 is an abundant number, since it is smaller than the sum of its proper divisors (21232040).

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

16880440 is a wasteful number, since it uses less digits than its factorization.

16880440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 16880440 is about 4108.5812636481. The cubic root of 16880440 is about 256.5239513192.

It can be divided in two parts, 168 and 80440, that added together give a palindrome (80608).

The spelling of 16880440 in words is "sixteen million, eight hundred eighty thousand, four hundred forty".