642204214115030 has 32 divisors (see below), whose sum is σ = 1323395423436096. Its totient is φ = 219802700058624.

The previous prime is 642204214114913. The next prime is 642204214115059. The reversal of 642204214115030 is 30511412402246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7949999399 + ... + 7950080178.

It is an arithmetic number, because the mean of its divisors is an integer number (41356106982378).

Almost surely, 2^{642204214115030} is an apocalyptic number.

642204214115030 is an abundant number, since it is smaller than the sum of its proper divisors (681191209321066).

642204214115030 is a wasteful number, since it uses less digits than its factorization.

642204214115030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900080168.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 642204214115030 its reverse (30511412402246), we get a palindrome (672715626517276).

The spelling of 642204214115030 in words is "six hundred forty-two trillion, two hundred four billion, two hundred fourteen million, one hundred fifteen thousand, thirty".