64144202126334 has 64 divisors (see below), whose sum is σ = 141838672320000. Its totient is φ = 19176431267840.

The previous prime is 64144202126197. The next prime is 64144202126339. The reversal of 64144202126334 is 43362120244146.

It is a super-2 number, since 2×64144202126334² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64144202126339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9522954 + ... + 14797805.

It is an arithmetic number, because the mean of its divisors is an integer number (2216229255000).

Almost surely, 2^{64144202126334} is an apocalyptic number.

64144202126334 is an abundant number, since it is smaller than the sum of its proper divisors (77694470193666).

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

64144202126334 is a wasteful number, since it uses less digits than its factorization.

64144202126334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24321313.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 64144202126334 in words is "sixty-four trillion, one hundred forty-four billion, two hundred two million, one hundred twenty-six thousand, three hundred thirty-four".