431424002254520 has 128 divisors (see below), whose sum is σ = 1125288796628160. Its totient is φ = 147120089948160.

The previous prime is 431424002254501. The next prime is 431424002254541. The reversal of 431424002254520 is 25452200424134.

It is a super-2 number, since 2×431424002254520² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102038159 + ... + 106182078.

Almost surely, 2^{431424002254520} is an apocalyptic number.

431424002254520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431424002254520 is an abundant number, since it is smaller than the sum of its proper divisors (693864794373640).

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

431424002254520 is a wasteful number, since it uses less digits than its factorization.

431424002254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208220553 (or 208220549 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 431424002254520 its reverse (25452200424134), we get a palindrome (456876202678654).

The spelling of 431424002254520 in words is "four hundred thirty-one trillion, four hundred twenty-four billion, two million, two hundred fifty-four thousand, five hundred twenty".