431400044042402 has 8 divisors (see below), whose sum is σ = 647100618464412. Its totient is φ = 215699837887600.

The previous prime is 431400044042381. The next prime is 431400044042413. The reversal of 431400044042402 is 204240440004134.

It can be written as a sum of positive squares in 2 ways, for example, as 315311723766361 + 116088320276041 = 17757019^2 + 10774429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×431400044042402² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89119349 + ... + 93835272.

Almost surely, 2^{431400044042402} is an apocalyptic number.

431400044042402 is a deficient number, since it is larger than the sum of its proper divisors (215700574422010).

431400044042402 is a wasteful number, since it uses less digits than its factorization.

431400044042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184133604.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 431400044042402 its reverse (204240440004134), we get a palindrome (635640484046536).

The spelling of 431400044042402 in words is "four hundred thirty-one trillion, four hundred billion, forty-four million, forty-two thousand, four hundred two".