15161040450 has 144 divisors (see below), whose sum is σ = 42075521280. Its totient is φ = 3910930560.

The previous prime is 15161040449. The next prime is 15161040457. The reversal of 15161040450 is 5404016151.

15161040450 is a `hidden beast` number, since 1 + 5 + 1 + 610 + 4 + 0 + 45 + 0 = 666.

15161040450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15161040457) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 2977807 + ... + 2982893.

It is an arithmetic number, because the mean of its divisors is an integer number (292191120).

Almost surely, 2^15161040450 is an apocalyptic number.

15161040450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15161040450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21037760640).

15161040450 is an abundant number, since it is smaller than the sum of its proper divisors (26914480830).

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

15161040450 is a wasteful number, since it uses less digits than its factorization.

15161040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321 (or 5313 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 15161040450 in words is "fifteen billion, one hundred sixty-one million, forty thousand, four hundred fifty".