424440142 has 8 divisors (see below), whose sum is σ = 727611696. Its totient is φ = 181902912.

The previous prime is 424440097. The next prime is 424440161. The reversal of 424440142 is 241044424.

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

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, 15158563 + ... + 15158590.

It is an arithmetic number, because the mean of its divisors is an integer number (90951462).

Almost surely, 2^424440142 is an apocalyptic number.

424440142 is a deficient number, since it is larger than the sum of its proper divisors (303171554).

424440142 is a wasteful number, since it uses less digits than its factorization.

424440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30317162.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 424440142 is about 20601.9451023441. The cubic root of 424440142 is about 751.5170136388.

Adding to 424440142 its reverse (241044424), we get a palindrome (665484566).

The spelling of 424440142 in words is "four hundred twenty-four million, four hundred forty thousand, one hundred forty-two".