52154014240 has 96 divisors (see below), whose sum is σ = 126642988080. Its totient is φ = 20288716800.

The previous prime is 52154014217. The next prime is 52154014307. The reversal of 52154014240 is 4241045125.

It can be written as a sum of positive squares in 8 ways, for example, as 17749699984 + 34404314256 = 133228^2 + 185484^2 .

It is a super-2 number, since 2×52154014240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52154014199 and 52154014208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838620 + ... + 898660.

Almost surely, 2^52154014240 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 52154014240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63321494040).

52154014240 is an abundant number, since it is smaller than the sum of its proper divisors (74488973840).

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

52154014240 is a wasteful number, since it uses less digits than its factorization.

52154014240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60206 (or 60198 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 52154014240 its reverse (4241045125), we get a palindrome (56395059365).

The spelling of 52154014240 in words is "fifty-two billion, one hundred fifty-four million, fourteen thousand, two hundred forty".