306040203342 has 16 divisors (see below), whose sum is σ = 680089340880. Its totient is φ = 102013401096.

The previous prime is 306040203341. The next prime is 306040203361. The reversal of 306040203342 is 243302040603.

It is a happy number.

306040203342 is a `hidden beast` number, since 3 + 0 + 604 + 0 + 20 + 3 + 34 + 2 = 666.

It is a super-2 number, since 2×306040203342² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306040203341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833705533 + ... + 2833705640.

It is an arithmetic number, because the mean of its divisors is an integer number (42505583805).

Almost surely, 2^306040203342 is an apocalyptic number.

306040203342 is an abundant number, since it is smaller than the sum of its proper divisors (374049137538).

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

306040203342 is a wasteful number, since it uses less digits than its factorization.

306040203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667411184 (or 5667411178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 306040203342 its reverse (243302040603), we get a palindrome (549342243945).

The spelling of 306040203342 in words is "three hundred six billion, forty million, two hundred three thousand, three hundred forty-two".