42401413431 has 12 divisors (see below), whose sum is σ = 65957754408. Its totient is φ = 26093177424.

The previous prime is 42401413427. The next prime is 42401413433. The reversal of 42401413431 is 13431410424.

42401413431 is a `hidden beast` number, since 4 + 240 + 1 + 413 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 42401413431 - 2² = 42401413427 is a prime.

It is a super-2 number, since 2×42401413431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42401413395 and 42401413404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401413433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181202505 + ... + 181202738.

It is an arithmetic number, because the mean of its divisors is an integer number (5496479534).

Almost surely, 2^42401413431 is an apocalyptic number.

42401413431 is a deficient number, since it is larger than the sum of its proper divisors (23556340977).

42401413431 is a wasteful number, since it uses less digits than its factorization.

42401413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362405262 (or 362405259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 42401413431 its reverse (13431410424), we get a palindrome (55832823855).

The spelling of 42401413431 in words is "forty-two billion, four hundred one million, four hundred thirteen thousand, four hundred thirty-one".