52240472420 has 48 divisors (see below), whose sum is σ = 112732119360. Its totient is φ = 20320216704.

The previous prime is 52240472321. The next prime is 52240472519. The reversal of 52240472420 is 2427404225.

It is an interprime number because it is at equal distance from previous prime (52240472321) and next prime (52240472519).

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, 1392671 + ... + 1429689.

It is an arithmetic number, because the mean of its divisors is an integer number (2348585820).

Almost surely, 2^52240472420 is an apocalyptic number.

It is an amenable number.

52240472420 is an abundant number, since it is smaller than the sum of its proper divisors (60491646940).

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

52240472420 is a wasteful number, since it uses less digits than its factorization.

52240472420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38972 (or 38970 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

Adding to 52240472420 its reverse (2427404225), we get a palindrome (54667876645).

The spelling of 52240472420 in words is "fifty-two billion, two hundred forty million, four hundred seventy-two thousand, four hundred twenty".