15052240 has 40 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 5160576.

The previous prime is 15052231. The next prime is 15052249. The reversal of 15052240 is 4225051.

It is an interprime number because it is at equal distance from previous prime (15052231) and next prime (15052249).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052249) 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, 12880 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (999936).

Almost surely, 2^15052240 is an apocalyptic number.

15052240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15052240 is an abundant number, since it is smaller than the sum of its proper divisors (24945200).

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

15052240 is a wasteful number, since it uses less digits than its factorization.

15052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26899 (or 26893 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 15052240 is about 3879.7216394994. The cubic root of 15052240 is about 246.9071755318.

Adding to 15052240 its reverse (4225051), we get a palindrome (19277291).

The spelling of 15052240 in words is "fifteen million, fifty-two thousand, two hundred forty".