33427416420 has 144 divisors (see below), whose sum is σ = 105794881920. Its totient is φ = 8762400576.

The previous prime is 33427416409. The next prime is 33427416437. The reversal of 33427416420 is 2461472433.

33427416420 is a `hidden beast` number, since 3 + 3 + 4 + 2 + 7 + 4 + 1 + 642 + 0 = 666.

It is a super-2 number, since 2×33427416420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 1870849 + ... + 1888631.

It is an arithmetic number, because the mean of its divisors is an integer number (734686680).

Almost surely, 2^33427416420 is an apocalyptic number.

33427416420 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 33427416420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52897440960).

33427416420 is an abundant number, since it is smaller than the sum of its proper divisors (72367465500).

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

33427416420 is a wasteful number, since it uses less digits than its factorization.

33427416420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17919 (or 17852 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 33427416420 its reverse (2461472433), we get a palindrome (35888888853).

The spelling of 33427416420 in words is "thirty-three billion, four hundred twenty-seven million, four hundred sixteen thousand, four hundred twenty".