42015000424 has 16 divisors (see below), whose sum is σ = 80907264900. Its totient is φ = 20439729792.

The previous prime is 42015000407. The next prime is 42015000463. The reversal of 42015000424 is 42400051024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40541822500 + 1473177924 = 201350^2 + 38382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42015000395 and 42015000404.

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, 70970989 + ... + 70971580.

Almost surely, 2^42015000424 is an apocalyptic number.

It is an amenable number.

42015000424 is a deficient number, since it is larger than the sum of its proper divisors (38892264476).

42015000424 is a wasteful number, since it uses less digits than its factorization.

42015000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141942612 (or 141942608 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 42015000424 its reverse (42400051024), we get a palindrome (84415051448).

The spelling of 42015000424 in words is "forty-two billion, fifteen million, four hundred twenty-four", and thus it is an aban number.