405324622431 has 8 divisors (see below), whose sum is σ = 600480922160. Its totient is φ = 270216414936.

The previous prime is 405324622369. The next prime is 405324622457. The reversal of 405324622431 is 134226423504.

405324622431 is a `hidden beast` number, since 4 + 0 + 5 + 3 + 24 + 622 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 405324622431 - 2¹⁷ = 405324491359 is a prime.

It is a super-2 number, since 2×405324622431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405324622471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506011500 + ... + 7506011553.

It is an arithmetic number, because the mean of its divisors is an integer number (75060115270).

Almost surely, 2^405324622431 is an apocalyptic number.

405324622431 is a deficient number, since it is larger than the sum of its proper divisors (195156299729).

405324622431 is a wasteful number, since it uses less digits than its factorization.

405324622431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012023062 (or 15012023056 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 405324622431 in words is "four hundred five billion, three hundred twenty-four million, six hundred twenty-two thousand, four hundred thirty-one".