402130231434 has 24 divisors (see below), whose sum is σ = 879424996320. Its totient is φ = 132790667688.

The previous prime is 402130231417. The next prime is 402130231439. The reversal of 402130231434 is 434132031204.

402130231434 is a `hidden beast` number, since 40 + 2 + 1 + 302 + 314 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 402130231398 and 402130231407.

It is not an unprimeable number, because it can be changed into a prime (402130231439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104393254 + ... + 104397105.

It is an arithmetic number, because the mean of its divisors is an integer number (36642708180).

Almost surely, 2^402130231434 is an apocalyptic number.

402130231434 is an abundant number, since it is smaller than the sum of its proper divisors (477294764886).

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

402130231434 is a wasteful number, since it uses less digits than its factorization.

402130231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208790474 (or 208790471 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 402130231434 its reverse (434132031204), we get a palindrome (836262262638).

The spelling of 402130231434 in words is "four hundred two billion, one hundred thirty million, two hundred thirty-one thousand, four hundred thirty-four".