431540002727056 has 80 divisors (see below), whose sum is σ = 897462964769904. Its totient is φ = 200285929193472.

The previous prime is 431540002727023. The next prime is 431540002727059. The reversal of 431540002727056 is 650727200045134.

It can be written as a sum of positive squares in 8 ways, for example, as 82221659923456 + 349318342803600 = 9067616^2 + 18690060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431540002726997 and 431540002727015.

It is not an unprimeable number, because it can be changed into a prime (431540002727059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411945570 + ... + 412991806.

Almost surely, 2^{431540002727056} 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 431540002727056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448731482384952).

431540002727056 is an abundant number, since it is smaller than the sum of its proper divisors (465922962042848).

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

431540002727056 is a wasteful number, since it uses less digits than its factorization.

431540002727056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067108 (or 1067102 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 431540002727056 in words is "four hundred thirty-one trillion, five hundred forty billion, two million, seven hundred twenty-seven thousand, fifty-six".