431290004468 has 12 divisors (see below), whose sum is σ = 754919609892. Its totient is φ = 215598687360.

The previous prime is 431290004447. The next prime is 431290004503. The reversal of 431290004468 is 864400092134.

It can be written as a sum of positive squares in 2 ways, for example, as 35412465124 + 395877539344 = 188182^2 + 629188^2 .

It is a super-2 number, since 2×431290004468² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 11557763 + ... + 11595018.

It is an arithmetic number, because the mean of its divisors is an integer number (62909967491).

Almost surely, 2^431290004468 is an apocalyptic number.

It is an amenable number.

431290004468 is a deficient number, since it is larger than the sum of its proper divisors (323629605424).

431290004468 is a wasteful number, since it uses less digits than its factorization.

431290004468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23157442 (or 23157440 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 431290004468 in words is "four hundred thirty-one billion, two hundred ninety million, four thousand, four hundred sixty-eight".