30420550454 has 8 divisors (see below), whose sum is σ = 52149515088. Its totient is φ = 13037378760.

The previous prime is 30420550439. The next prime is 30420550463. The reversal of 30420550454 is 45405502403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30420550454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30420550454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086448217 + ... + 1086448244.

It is an arithmetic number, because the mean of its divisors is an integer number (6518689386).

Almost surely, 2^30420550454 is an apocalyptic number.

30420550454 is a deficient number, since it is larger than the sum of its proper divisors (21728964634).

30420550454 is a wasteful number, since it uses less digits than its factorization.

30420550454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172896470.

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 30420550454 in words is "thirty billion, four hundred twenty million, five hundred fifty thousand, four hundred fifty-four".