52402900180686 has 32 divisors (see below), whose sum is σ = 117423697707648. Its totient is φ = 15450486539040.

The previous prime is 52402900180681. The next prime is 52402900180693. The reversal of 52402900180686 is 68608100920425.

It is a happy number.

It is a super-2 number, since 2×52402900180686² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52402900180681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10729502100 + ... + 10729506983.

It is an arithmetic number, because the mean of its divisors is an integer number (3669490553364).

Almost surely, 2^{52402900180686} is an apocalyptic number.

52402900180686 is an abundant number, since it is smaller than the sum of its proper divisors (65020797526962).

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

52402900180686 is a wasteful number, since it uses less digits than its factorization.

52402900180686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459009136.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 52402900180686 in words is "fifty-two trillion, four hundred two billion, nine hundred million, one hundred eighty thousand, six hundred eighty-six".