30405500334 has 32 divisors (see below), whose sum is σ = 73710305280. Its totient is φ = 9213787800.

The previous prime is 30405500327. The next prime is 30405500347. The reversal of 30405500334 is 43300550403.

It is a happy number.

It is a super-2 number, since 2×30405500334² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 30405500298 and 30405500307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25593262 + ... + 25594449.

It is an arithmetic number, because the mean of its divisors is an integer number (2303447040).

Almost surely, 2^30405500334 is an apocalyptic number.

30405500334 is an abundant number, since it is smaller than the sum of its proper divisors (43304804946).

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

30405500334 is a wasteful number, since it uses less digits than its factorization.

30405500334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51187733 (or 51187727 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The spelling of 30405500334 in words is "thirty billion, four hundred five million, five hundred thousand, three hundred thirty-four".