405152030442 has 16 divisors (see below), whose sum is σ = 818326874592. Its totient is φ = 133713541200.

The previous prime is 405152030441. The next prime is 405152030473. The reversal of 405152030442 is 244030251504.

It is not an unprimeable number, because it can be changed into a prime (405152030441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334283248 + ... + 334284459.

It is an arithmetic number, because the mean of its divisors is an integer number (51145429662).

Almost surely, 2^405152030442 is an apocalyptic number.

405152030442 is an abundant number, since it is smaller than the sum of its proper divisors (413174844150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405152030442 is a wasteful number, since it uses less digits than its factorization.

405152030442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668567813.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 405152030442 its reverse (244030251504), we get a palindrome (649182281946).

The spelling of 405152030442 in words is "four hundred five billion, one hundred fifty-two million, thirty thousand, four hundred forty-two".