53141187240 has 160 divisors (see below), whose sum is σ = 178961947560. Its totient is φ = 14143334400.

The previous prime is 53141187233. The next prime is 53141187277. The reversal of 53141187240 is 4278114135.

53141187240 is a `hidden beast` number, since 531 + 4 + 1 + 1 + 87 + 2 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23535855396 + 29605331844 = 153414^2 + 172062^2 .

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 = 53141187195 and 53141187204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1672300 + ... + 1703780.

Almost surely, 2^53141187240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53141187240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89480973780).

53141187240 is an abundant number, since it is smaller than the sum of its proper divisors (125820760320).

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

53141187240 is a wasteful number, since it uses less digits than its factorization.

53141187240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32025 (or 32012 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 53141187240 in words is "fifty-three billion, one hundred forty-one million, one hundred eighty-seven thousand, two hundred forty".