33213040442340 has 72 divisors (see below), whose sum is σ = 102219307962240. Its totient is φ = 8051646166080.

The previous prime is 33213040442311. The next prime is 33213040442359. The reversal of 33213040442340 is 4324404031233.

It is a happy number.

It is a super-2 number, since 2×33213040442340² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2287392220 + ... + 2287406739.

Almost surely, 2^{33213040442340} is an apocalyptic number.

33213040442340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33213040442340 is an abundant number, since it is smaller than the sum of its proper divisors (69006267519900).

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

33213040442340 is a wasteful number, since it uses less digits than its factorization.

33213040442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574798993 (or 4574798980 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 33213040442340 its reverse (4324404031233), we get a palindrome (37537444473573).

The spelling of 33213040442340 in words is "thirty-three trillion, two hundred thirteen billion, forty million, four hundred forty-two thousand, three hundred forty".