52146032340 has 48 divisors (see below), whose sum is σ = 146032996032. Its totient is φ = 13903312896.

The previous prime is 52146032317. The next prime is 52146032353. The reversal of 52146032340 is 4323064125.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52146032298 and 52146032307.

It is a congruent number.

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, 311647 + ... + 448793.

It is an arithmetic number, because the mean of its divisors is an integer number (3042354084).

Almost surely, 2^52146032340 is an apocalyptic number.

It is an amenable number.

52146032340 is an abundant number, since it is smaller than the sum of its proper divisors (93886963692).

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

52146032340 is a wasteful number, since it uses less digits than its factorization.

52146032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143496 (or 143494 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 52146032340 its reverse (4323064125), we get a palindrome (56469096465).

The spelling of 52146032340 in words is "fifty-two billion, one hundred forty-six million, thirty-two thousand, three hundred forty".