15950442240 has 432 divisors, whose sum is σ = 60265296000. Its totient is φ = 4028092416.

The previous prime is 15950442229. The next prime is 15950442251. The reversal of 15950442240 is 4224405951.

It is a happy number.

15950442240 is a `hidden beast` number, since 1 + 595 + 0 + 4 + 4 + 22 + 40 = 666.

15950442240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15950442229) and next prime (15950442251).

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15950442195 and 15950442204.

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 47 ways as a sum of consecutive naturals, for example, 5908411 + ... + 5911109.

It is an arithmetic number, because the mean of its divisors is an integer number (139503000).

Almost surely, 2^15950442240 is an apocalyptic number.

15950442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15950442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132648000).

15950442240 is an abundant number, since it is smaller than the sum of its proper divisors (44314853760).

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

15950442240 is an equidigital number, since it uses as much as digits as its factorization.

15950442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 15950442240 in words is "fifteen billion, nine hundred fifty million, four hundred forty-two thousand, two hundred forty".