405410142 has 32 divisors (see below), whose sum is σ = 830801664. Its totient is φ = 131846400.

The previous prime is 405410113. The next prime is 405410143. The reversal of 405410142 is 241014504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405410143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36417 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (25962552).

Almost surely, 2^405410142 is an apocalyptic number.

405410142 is an abundant number, since it is smaller than the sum of its proper divisors (425391522).

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

405410142 is a wasteful number, since it uses less digits than its factorization.

405410142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 405410142 is about 20134.7992788605. The cubic root of 405410142 is about 740.1132904221.

Adding to 405410142 its reverse (241014504), we get a palindrome (646424646).

It can be divided in two parts, 4054 and 10142, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 405410142 in words is "four hundred five million, four hundred ten thousand, one hundred forty-two".