15402130848 has 288 divisors, whose sum is σ = 48629140560. Its totient is φ = 4593991680.

The previous prime is 15402130847. The next prime is 15402130871. The reversal of 15402130848 is 84803120451.

15402130848 is a `hidden beast` number, since 1 + 540 + 2 + 1 + 30 + 84 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 68757264 + 15333373584 = 8292^2 + 123828^2 .

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (15402130841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41292390 + ... + 41292762.

Almost surely, 2^15402130848 is an apocalyptic number.

15402130848 is a gapful number since it is divisible by the number (18) 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 15402130848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24314570280).

15402130848 is an abundant number, since it is smaller than the sum of its proper divisors (33227009712).

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

15402130848 is a wasteful number, since it uses less digits than its factorization.

15402130848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 15402130848 in words is "fifteen billion, four hundred two million, one hundred thirty thousand, eight hundred forty-eight".