405255435142 has 8 divisors (see below), whose sum is σ = 611032806936. Its totient is φ = 201577832832.

The previous prime is 405255435131. The next prime is 405255435173. The reversal of 405255435142 is 241534552504.

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

It is a junction number, because it is equal to n+sod(n) for n = 405255435095 and 405255435104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524941888 + ... + 524942659.

It is an arithmetic number, because the mean of its divisors is an integer number (76379100867).

Almost surely, 2^405255435142 is an apocalyptic number.

405255435142 is a deficient number, since it is larger than the sum of its proper divisors (205777371794).

405255435142 is a wasteful number, since it uses less digits than its factorization.

405255435142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049884742.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 405255435142 its reverse (241534552504), we get a palindrome (646789987646).

The spelling of 405255435142 in words is "four hundred five billion, two hundred fifty-five million, four hundred thirty-five thousand, one hundred forty-two".