652452226638478 has 16 divisors (see below), whose sum is σ = 1118564312078304. Its totient is φ = 279603687670560.

The previous prime is 652452226638439. The next prime is 652452226638481. The reversal of 652452226638478 is 874836622254256.

It is a happy number.

It is a super-2 number, since 2×652452226638478² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557714333 + ... + 1558133128.

It is an arithmetic number, because the mean of its divisors is an integer number (69910269504894).

Almost surely, 2^{652452226638478} is an apocalyptic number.

652452226638478 is a deficient number, since it is larger than the sum of its proper divisors (466112085439826).

652452226638478 is a wasteful number, since it uses less digits than its factorization.

652452226638478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115862427.

The product of its digits is 1857945600, while the sum is 70.

The spelling of 652452226638478 in words is "six hundred fifty-two trillion, four hundred fifty-two billion, two hundred twenty-six million, six hundred thirty-eight thousand, four hundred seventy-eight".