405142140992 has 14 divisors (see below), whose sum is σ = 803953936158. Its totient is φ = 202571070464.

The previous prime is 405142140989. The next prime is 405142141037. The reversal of 405142140992 is 299041241504.

It can be written as a sum of positive squares in only one way, i.e., 280069574656 + 125072566336 = 529216^2 + 353656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165172913 + ... + 3165173040.

Almost surely, 2^405142140992 is an apocalyptic number.

It is an amenable number.

405142140992 is a deficient number, since it is larger than the sum of its proper divisors (398811795166).

405142140992 is an equidigital number, since it uses as much as digits as its factorization.

405142140992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330345965 (or 6330345955 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 405142140992 in words is "four hundred five billion, one hundred forty-two million, one hundred forty thousand, nine hundred ninety-two".