15241413440 has 56 divisors (see below), whose sum is σ = 39593044512. Its totient is φ = 5542330880.

The previous prime is 15241413433. The next prime is 15241413443. The reversal of 15241413440 is 4431414251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15241413443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161454 + ... + 2168493.

It is an arithmetic number, because the mean of its divisors is an integer number (707018652).

Almost surely, 2^15241413440 is an apocalyptic number.

15241413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15241413440 is an abundant number, since it is smaller than the sum of its proper divisors (24351631072).

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

15241413440 is a wasteful number, since it uses less digits than its factorization.

15241413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329975 (or 4329965 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 15241413440 its reverse (4431414251), we get a palindrome (19672827691).

The spelling of 15241413440 in words is "fifteen billion, two hundred forty-one million, four hundred thirteen thousand, four hundred forty".