615255442422 has 16 divisors (see below), whose sum is σ = 1230518896320. Its totient is φ = 205083812232.

The previous prime is 615255442379. The next prime is 615255442447. The reversal of 615255442422 is 224244552516.

It is a happy number.

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, 1223193 + ... + 1651275.

It is an arithmetic number, because the mean of its divisors is an integer number (76907431020).

Almost surely, 2^615255442422 is an apocalyptic number.

615255442422 is an abundant number, since it is smaller than the sum of its proper divisors (615263453898).

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

615255442422 is a wasteful number, since it uses less digits than its factorization.

615255442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667627.

The product of its digits is 768000, while the sum is 42.

Adding to 615255442422 its reverse (224244552516), we get a palindrome (839499994938).

The spelling of 615255442422 in words is "six hundred fifteen billion, two hundred fifty-five million, four hundred forty-two thousand, four hundred twenty-two".