33140420430 has 64 divisors (see below), whose sum is σ = 85689612288. Its totient is φ = 8154368640.

The previous prime is 33140420413. The next prime is 33140420471. The reversal of 33140420430 is 3402404133.

It is a super-2 number, since 2×33140420430² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33140420430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040035 + ... + 1071425.

It is an arithmetic number, because the mean of its divisors is an integer number (1338900192).

Almost surely, 2^33140420430 is an apocalyptic number.

33140420430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33140420430 is an abundant number, since it is smaller than the sum of its proper divisors (52549191858).

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

33140420430 is a wasteful number, since it uses less digits than its factorization.

33140420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34121.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33140420430 its reverse (3402404133), we get a palindrome (36542824563).

The spelling of 33140420430 in words is "thirty-three billion, one hundred forty million, four hundred twenty thousand, four hundred thirty".