425020042 has 8 divisors (see below), whose sum is σ = 637636032. Its totient is φ = 212474700.

The previous prime is 425020033. The next prime is 425020097. The reversal of 425020042 is 240020524.

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

It is a super-2 number, since 2×425020042² = 361284072203363528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567 + ... + 29197.

It is an arithmetic number, because the mean of its divisors is an integer number (79704504).

Almost surely, 2^425020042 is an apocalyptic number.

425020042 is a deficient number, since it is larger than the sum of its proper divisors (212615990).

425020042 is a wasteful number, since it uses less digits than its factorization.

425020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35324.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 425020042 is about 20616.0142122574. The cubic root of 425020042 is about 751.8591163666.

Adding to 425020042 its reverse (240020524), we get a palindrome (665040566).

The spelling of 425020042 in words is "four hundred twenty-five million, twenty thousand, forty-two".