30455342520 has 32 divisors (see below), whose sum is σ = 91366027920. Its totient is φ = 8121424640.

The previous prime is 30455342509. The next prime is 30455342543. The reversal of 30455342520 is 2524355403.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 126897141 + ... + 126897380.

Almost surely, 2^30455342520 is an apocalyptic number.

30455342520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30455342520 is an abundant number, since it is smaller than the sum of its proper divisors (60910685400).

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

30455342520 is a wasteful number, since it uses less digits than its factorization.

30455342520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253794535 (or 253794531 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 30455342520 its reverse (2524355403), we get a palindrome (32979697923).

The spelling of 30455342520 in words is "thirty billion, four hundred fifty-five million, three hundred forty-two thousand, five hundred twenty".