16240455 has 96 divisors (see below), whose sum is σ = 36241920. Its totient is φ = 6531840.

The previous prime is 16240429. The next prime is 16240481. The reversal of 16240455 is 55404261.

It is an interprime number because it is at equal distance from previous prime (16240429) and next prime (16240481).

It is not a de Polignac number, because 16240455 - 2¹⁷ = 16109383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 148941 + ... + 149049.

It is an arithmetic number, because the mean of its divisors is an integer number (377520).

Almost surely, 2^16240455 is an apocalyptic number.

16240455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16240455 is an abundant number, since it is smaller than the sum of its proper divisors (20001465).

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

16240455 is a wasteful number, since it uses less digits than its factorization.

16240455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 16240455 is about 4029.9447887037. The cubic root of 16240455 is about 253.2402483880.

It can be divided in two parts, 16 and 240455, that added together give a triangular number (240471 = T₆₉₃).

The spelling of 16240455 in words is "sixteen million, two hundred forty thousand, four hundred fifty-five".