52260340 has 24 divisors (see below), whose sum is σ = 119724192. Its totient is φ = 19003680.

The previous prime is 52260293. The next prime is 52260361. The reversal of 52260340 is 4306225.

It is a happy number.

It is a super-2 number, since 2×52260340² = 5462286273831200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118554 + ... + 118993.

It is an arithmetic number, because the mean of its divisors is an integer number (4988508).

Almost surely, 2^52260340 is an apocalyptic number.

It is an amenable number.

52260340 is an abundant number, since it is smaller than the sum of its proper divisors (67463852).

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

52260340 is a wasteful number, since it uses less digits than its factorization.

52260340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237567 (or 237565 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52260340 is about 7229.1313447744. The cubic root of 52260340 is about 373.8729777302.

Adding to 52260340 its reverse (4306225), we get a palindrome (56566565).

The spelling of 52260340 in words is "fifty-two million, two hundred sixty thousand, three hundred forty".