52440342 has 32 divisors (see below), whose sum is σ = 116899200. Its totient is φ = 15585408.

The previous prime is 52440341. The next prime is 52440347. The reversal of 52440342 is 24304425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11592 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (3653100).

Almost surely, 2^52440342 is an apocalyptic number.

52440342 is an abundant number, since it is smaller than the sum of its proper divisors (64458858).

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

52440342 is a wasteful number, since it uses less digits than its factorization.

52440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 52440342 is about 7241.5704097937. The cubic root of 52440342 is about 374.3017334929.

Adding to 52440342 its reverse (24304425), we get a palindrome (76744767).

The spelling of 52440342 in words is "fifty-two million, four hundred forty thousand, three hundred forty-two".