52012206040 has 32 divisors (see below), whose sum is σ = 117063666000. Its totient is φ = 20798446464.

The previous prime is 52012206023. The next prime is 52012206067. The reversal of 52012206040 is 4060221025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69135 + ... + 329854.

Almost surely, 2^52012206040 is an apocalyptic number.

It is an amenable number.

52012206040 is an abundant number, since it is smaller than the sum of its proper divisors (65051459960).

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

52012206040 is a wasteful number, since it uses less digits than its factorization.

52012206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402259 (or 402255 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 52012206040 its reverse (4060221025), we get a palindrome (56072427065).

The spelling of 52012206040 in words is "fifty-two billion, twelve million, two hundred six thousand, forty".