16245040 has 40 divisors (see below), whose sum is σ = 43166880. Its totient is φ = 5569536.

The previous prime is 16245037. The next prime is 16245041. The reversal of 16245040 is 4054261.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16245041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13945 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (1079172).

Almost surely, 2^16245040 is an apocalyptic number.

16245040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16245040 is an abundant number, since it is smaller than the sum of its proper divisors (26921840).

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

16245040 is a wasteful number, since it uses less digits than its factorization.

16245040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29029 (or 29023 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 16245040 is about 4030.5136149131. The cubic root of 16245040 is about 253.2640777139.

The spelling of 16245040 in words is "sixteen million, two hundred forty-five thousand, forty".