42645226512210 has 32 divisors (see below), whose sum is σ = 116969764148352. Its totient is φ = 9747480345600.

The previous prime is 42645226512209. The next prime is 42645226512241. The reversal of 42645226512210 is 1221562254624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 101536253391 + ... + 101536253810.

It is an arithmetic number, because the mean of its divisors is an integer number (3655305129636).

Almost surely, 2^{42645226512210} is an apocalyptic number.

42645226512210 is an abundant number, since it is smaller than the sum of its proper divisors (74324537636142).

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

42645226512210 is a wasteful number, since it uses less digits than its factorization.

42645226512210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203072507218.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 42645226512210 its reverse (1221562254624), we get a palindrome (43866788766834).

The spelling of 42645226512210 in words is "forty-two trillion, six hundred forty-five billion, two hundred twenty-six million, five hundred twelve thousand, two hundred ten".