52240940 has 24 divisors (see below), whose sum is σ = 110369952. Its totient is φ = 20769920.

The previous prime is 52240939. The next prime is 52240943. The reversal of 52240940 is 4904225.

It is not an unprimeable number, because it can be changed into a prime (52240943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (4598748).

Almost surely, 2^52240940 is an apocalyptic number.

It is an amenable number.

52240940 is an abundant number, since it is smaller than the sum of its proper divisors (58129012).

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

52240940 is a wasteful number, since it uses less digits than its factorization.

52240940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52240940 is about 7227.7894269272. The cubic root of 52240940 is about 373.8267091611.

The spelling of 52240940 in words is "fifty-two million, two hundred forty thousand, nine hundred forty".