52130201352440 has 16 divisors (see below), whose sum is σ = 117292953043080. Its totient is φ = 20852080540960.

The previous prime is 52130201352431. The next prime is 52130201352443. The reversal of 52130201352440 is 4425310203125.

It is a junction number, because it is equal to n+sod(n) for n = 52130201352397 and 52130201352406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130201352443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651627516866 + ... + 651627516945.

Almost surely, 2^{52130201352440} is an apocalyptic number.

It is an amenable number.

52130201352440 is an abundant number, since it is smaller than the sum of its proper divisors (65162751690640).

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

52130201352440 is a wasteful number, since it uses less digits than its factorization.

52130201352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303255033822 (or 1303255033818 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 52130201352440 its reverse (4425310203125), we get a palindrome (56555511555565).

The spelling of 52130201352440 in words is "fifty-two trillion, one hundred thirty billion, two hundred one million, three hundred fifty-two thousand, four hundred forty".