52142441620 has 24 divisors (see below), whose sum is σ = 109515357000. Its totient is φ = 20853885312.

The previous prime is 52142441579. The next prime is 52142441651. The reversal of 52142441620 is 2614424125.

It can be written as a sum of positive squares in 4 ways, for example, as 2543588356 + 49598853264 = 50434^2 + 222708^2 .

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, 52395 + ... + 327154.

It is an arithmetic number, because the mean of its divisors is an integer number (4563139875).

Almost surely, 2^52142441620 is an apocalyptic number.

It is an amenable number.

52142441620 is an abundant number, since it is smaller than the sum of its proper divisors (57372915380).

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

52142441620 is a wasteful number, since it uses less digits than its factorization.

52142441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386427 (or 386425 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 52142441620 its reverse (2614424125), we get a palindrome (54756865745).

The spelling of 52142441620 in words is "fifty-two billion, one hundred forty-two million, four hundred forty-one thousand, six hundred twenty".