405431451201 has 24 divisors (see below), whose sum is σ = 650516339520. Its totient is φ = 223686315552.

The previous prime is 405431451121. The next prime is 405431451209. The reversal of 405431451201 is 102154134504.

It is not a de Polignac number, because 405431451201 - 2²¹ = 405429354049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (405431451209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47548101 + ... + 47556626.

It is an arithmetic number, because the mean of its divisors is an integer number (27104847480).

Almost surely, 2^405431451201 is an apocalyptic number.

It is an amenable number.

405431451201 is a deficient number, since it is larger than the sum of its proper divisors (245084888319).

405431451201 is a wasteful number, since it uses less digits than its factorization.

405431451201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95104773 (or 95104766 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 405431451201 its reverse (102154134504), we get a palindrome (507585585705).

The spelling of 405431451201 in words is "four hundred five billion, four hundred thirty-one million, four hundred fifty-one thousand, two hundred one".