33455213004 has 24 divisors (see below), whose sum is σ = 78066616320. Its totient is φ = 11151101584.

The previous prime is 33455213003. The next prime is 33455213023. The reversal of 33455213004 is 40031255433.

It is a super-2 number, since 2×33455213004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33455213003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171277 + ... + 310235.

It is an arithmetic number, because the mean of its divisors is an integer number (3252775680).

Almost surely, 2^33455213004 is an apocalyptic number.

It is an amenable number.

33455213004 is an abundant number, since it is smaller than the sum of its proper divisors (44611403316).

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

33455213004 is a wasteful number, since it uses less digits than its factorization.

33455213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159029 (or 159027 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 33455213004 its reverse (40031255433), we get a palindrome (73486468437).

The spelling of 33455213004 in words is "thirty-three billion, four hundred fifty-five million, two hundred thirteen thousand, four".