42064717472 has 48 divisors (see below), whose sum is σ = 85494307752. Its totient is φ = 20357775360.

The previous prime is 42064717463. The next prime is 42064717477. The reversal of 42064717472 is 27471746024.

It can be written as a sum of positive squares in 4 ways, for example, as 41061348496 + 1003368976 = 202636^2 + 31676^2 .

It is not an unprimeable number, because it can be changed into a prime (42064717477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136472 + ... + 320552.

Almost surely, 2^42064717472 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 42064717472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42747153876).

42064717472 is an abundant number, since it is smaller than the sum of its proper divisors (43429590280).

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

42064717472 is a wasteful number, since it uses less digits than its factorization.

42064717472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184321 (or 184313 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 44.

The spelling of 42064717472 in words is "forty-two billion, sixty-four million, seven hundred seventeen thousand, four hundred seventy-two".