405050431 has 8 divisors (see below), whose sum is σ = 415474400. Its totient is φ = 394748640.

The previous prime is 405050419. The next prime is 405050441. The reversal of 405050431 is 134050504.

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

It is a cyclic number.

It is not a de Polignac number, because 405050431 - 2⁹ = 405049919 is a prime.

It is a super-2 number, since 2×405050431² = 328131703306571522, which 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 (405050441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23811 + ... + 37108.

It is an arithmetic number, because the mean of its divisors is an integer number (51934300).

Almost surely, 2^405050431 is an apocalyptic number.

405050431 is a deficient number, since it is larger than the sum of its proper divisors (10423969).

405050431 is a wasteful number, since it uses less digits than its factorization.

405050431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61089.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 405050431 is about 20125.8647267639. The cubic root of 405050431 is about 739.8943305409.

The spelling of 405050431 in words is "four hundred five million, fifty thousand, four hundred thirty-one".