431448032072 has 8 divisors (see below), whose sum is σ = 808965060150. Its totient is φ = 215724016032.

The previous prime is 431448032023. The next prime is 431448032083. The reversal of 431448032072 is 270230844134.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 370386656836 + 61061375236 = 608594^2 + 247106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×431448032072² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26965501997 + ... + 26965502012.

Almost surely, 2^431448032072 is an apocalyptic number.

It is an amenable number.

431448032072 is a deficient number, since it is larger than the sum of its proper divisors (377517028078).

431448032072 is a wasteful number, since it uses less digits than its factorization.

431448032072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53931004015 (or 53931004011 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 431448032072 in words is "four hundred thirty-one billion, four hundred forty-eight million, thirty-two thousand, seventy-two".