15262240 has 48 divisors (see below), whose sum is σ = 41211072. Its totient is φ = 5232384.

The previous prime is 15262229. The next prime is 15262267. The reversal of 15262240 is 4226251.

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, 5694 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (858564).

Almost surely, 2^15262240 is an apocalyptic number.

15262240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15262240 is an abundant number, since it is smaller than the sum of its proper divisors (25948832).

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

15262240 is a wasteful number, since it uses less digits than its factorization.

15262240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649 (or 13641 counting only the distinct ones).

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

The square root of 15262240 is about 3906.6916950279. The cubic root of 15262240 is about 248.0501112751.

Adding to 15262240 its reverse (4226251), we get a palindrome (19488491).

The spelling of 15262240 in words is "fifteen million, two hundred sixty-two thousand, two hundred forty".