30433854420420 has 144 divisors (see below), whose sum is σ = 93674616834624. Its totient is φ = 7377213254400.

The previous prime is 30433854420311. The next prime is 30433854420451. The reversal of 30433854420420 is 2402445833403.

It is a happy number.

It is a super-2 number, since 2×30433854420420² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79574850 + ... + 79956390.

Almost surely, 2^{30433854420420} is an apocalyptic number.

30433854420420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30433854420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46837308417312).

30433854420420 is an abundant number, since it is smaller than the sum of its proper divisors (63240762414204).

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

30433854420420 is a wasteful number, since it uses less digits than its factorization.

30433854420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392562 (or 392549 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 30433854420420 in words is "thirty trillion, four hundred thirty-three billion, eight hundred fifty-four million, four hundred twenty thousand, four hundred twenty".