33142040221240 has 64 divisors (see below), whose sum is σ = 78979975668000. Its totient is φ = 12473220476928.

The previous prime is 33142040221219. The next prime is 33142040221259. The reversal of 33142040221240 is 4212204024133.

It is a junction number, because it is equal to n+sod(n) for n = 33142040221199 and 33142040221208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143509 + ... + 9630148.

Almost surely, 2^{33142040221240} is an apocalyptic number.

It is an amenable number.

33142040221240 is an abundant number, since it is smaller than the sum of its proper divisors (45837935446760).

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

33142040221240 is a wasteful number, since it uses less digits than its factorization.

33142040221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14776984 (or 14776980 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 33142040221240 its reverse (4212204024133), we get a palindrome (37354244245373).

The spelling of 33142040221240 in words is "thirty-three trillion, one hundred forty-two billion, forty million, two hundred twenty-one thousand, two hundred forty".