52015235340 has 48 divisors (see below), whose sum is σ = 145845342720. Its totient is φ = 13851426240.

The previous prime is 52015235329. The next prime is 52015235351. The reversal of 52015235340 is 4353251025.

It is an interprime number because it is at equal distance from previous prime (52015235329) and next prime (52015235351).

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 = 52015235298 and 52015235307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559726 + ... + 646005.

It is an arithmetic number, because the mean of its divisors is an integer number (3038444640).

Almost surely, 2^52015235340 is an apocalyptic number.

It is an amenable number.

52015235340 is an abundant number, since it is smaller than the sum of its proper divisors (93830107380).

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

52015235340 is a wasteful number, since it uses less digits than its factorization.

52015235340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206462 (or 1206460 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 52015235340 its reverse (4353251025), we get a palindrome (56368486365).

The spelling of 52015235340 in words is "fifty-two billion, fifteen million, two hundred thirty-five thousand, three hundred forty".