53127728640 has 360 divisors, whose sum is σ = 214041021480. Its totient is φ = 12143222784.

The previous prime is 53127728611. The next prime is 53127728657. The reversal of 53127728640 is 4682772135.

53127728640 is a `hidden beast` number, since 531 + 2 + 7 + 72 + 8 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1105431 + ... + 1152489.

It is an arithmetic number, because the mean of its divisors is an integer number (594558393).

Almost surely, 2^53127728640 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 53127728640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107020510740).

53127728640 is an abundant number, since it is smaller than the sum of its proper divisors (160913292840).

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

53127728640 is a wasteful number, since it uses less digits than its factorization.

53127728640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47102 (or 47076 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 53127728640 in words is "fifty-three billion, one hundred twenty-seven million, seven hundred twenty-eight thousand, six hundred forty".