405491433141 has 48 divisors (see below), whose sum is σ = 567606871104. Its totient is φ = 257447808000.

The previous prime is 405491433007. The next prime is 405491433187. The reversal of 405491433141 is 141334194504.

It is not a de Polignac number, because 405491433141 - 2⁹ = 405491432629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405491433141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405491431141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50612826 + ... + 50620836.

It is an arithmetic number, because the mean of its divisors is an integer number (11825143148).

Almost surely, 2^405491433141 is an apocalyptic number.

It is an amenable number.

405491433141 is a deficient number, since it is larger than the sum of its proper divisors (162115437963).

405491433141 is a wasteful number, since it uses less digits than its factorization.

405491433141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354 (or 8323 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 405491433141 in words is "four hundred five billion, four hundred ninety-one million, four hundred thirty-three thousand, one hundred forty-one".