30405500340 has 24 divisors (see below), whose sum is σ = 85135401120. Its totient is φ = 8108133408.

The previous prime is 30405500327. The next prime is 30405500347. The reversal of 30405500340 is 4300550403.

It is a happy number.

It is a super-4 number, since 4×30405500340⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30405500340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30405500347) 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, 253379110 + ... + 253379229.

It is an arithmetic number, because the mean of its divisors is an integer number (3547308380).

Almost surely, 2^30405500340 is an apocalyptic number.

30405500340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30405500340 is an abundant number, since it is smaller than the sum of its proper divisors (54729900780).

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

30405500340 is a wasteful number, since it uses less digits than its factorization.

30405500340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506758351 (or 506758349 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 30405500340 in words is "thirty billion, four hundred five million, five hundred thousand, three hundred forty".