402124030142 has 16 divisors (see below), whose sum is σ = 613617223680. Its totient is φ = 197614547928.

The previous prime is 402124030057. The next prime is 402124030171. The reversal of 402124030142 is 241030421204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7370792 + ... + 7425147.

It is an arithmetic number, because the mean of its divisors is an integer number (38351076480).

Almost surely, 2^402124030142 is an apocalyptic number.

402124030142 is a deficient number, since it is larger than the sum of its proper divisors (211493193538).

402124030142 is a wasteful number, since it uses less digits than its factorization.

402124030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796175.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 402124030142 its reverse (241030421204), we get a palindrome (643154451346).

The spelling of 402124030142 in words is "four hundred two billion, one hundred twenty-four million, thirty thousand, one hundred forty-two".