33204013401040 has 20 divisors (see below), whose sum is σ = 77199331157604. Its totient is φ = 13281605360384.

The previous prime is 33204013401037. The next prime is 33204013401049. The reversal of 33204013401040 is 4010431040233.

It can be written as a sum of positive squares in 2 ways, for example, as 17072994274704 + 16131019126336 = 4131948^2 + 4016344^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33204013401040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33204013400996 and 33204013401014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33204013401049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207525083677 + ... + 207525083836.

Almost surely, 2^{33204013401040} is an apocalyptic number.

It is an amenable number.

33204013401040 is an abundant number, since it is smaller than the sum of its proper divisors (43995317756564).

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

33204013401040 is a wasteful number, since it uses less digits than its factorization.

33204013401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415050167526 (or 415050167520 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33204013401040 its reverse (4010431040233), we get a palindrome (37214444441273).

The spelling of 33204013401040 in words is "thirty-three trillion, two hundred four billion, thirteen million, four hundred one thousand, forty".