64142359344 has 120 divisors (see below), whose sum is σ = 205884730272. Its totient is φ = 18261089280.

The previous prime is 64142359319. The next prime is 64142359367. The reversal of 64142359344 is 44395324146.

64142359344 is a `hidden beast` number, since 6 + 4 + 14 + 2 + 3 + 593 + 44 = 666.

It is a super-2 number, since 2×64142359344² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64142359344.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170022 + ... + 396474.

Almost surely, 2^64142359344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64142359344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102942365136).

64142359344 is an abundant number, since it is smaller than the sum of its proper divisors (141742370928).

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

64142359344 is a wasteful number, since it uses less digits than its factorization.

64142359344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226755 (or 226746 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 64142359344 in words is "sixty-four billion, one hundred forty-two million, three hundred fifty-nine thousand, three hundred forty-four".