431440424020413 has 48 divisors (see below), whose sum is σ = 678999313976320. Its totient is φ = 270700398144000.

The previous prime is 431440424020409. The next prime is 431440424020469. The reversal of 431440424020413 is 314020424044134.

431440424020413 is a `hidden beast` number, since 4 + 3 + 1 + 4 + 404 + 2 + 40 + 204 + 1 + 3 = 666.

It is not a de Polignac number, because 431440424020413 - 2² = 431440424020409 is a prime.

It is a super-2 number, since 2×431440424020413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431440424020483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295403193 + ... + 296860113.

Almost surely, 2^{431440424020413} is an apocalyptic number.

It is an amenable number.

431440424020413 is a deficient number, since it is larger than the sum of its proper divisors (247558889955907).

431440424020413 is a wasteful number, since it uses less digits than its factorization.

431440424020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494915 (or 1494892 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 431440424020413 its reverse (314020424044134), we get a palindrome (745460848064547).

The spelling of 431440424020413 in words is "four hundred thirty-one trillion, four hundred forty billion, four hundred twenty-four million, twenty thousand, four hundred thirteen".