33140040140 has 48 divisors (see below), whose sum is σ = 69937426944. Its totient is φ = 13190707200.

The previous prime is 33140040121. The next prime is 33140040161. The reversal of 33140040140 is 4104004133.

It is a happy number.

It is a super-2 number, since 2×33140040140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 10173392 + ... + 10176648.

It is an arithmetic number, because the mean of its divisors is an integer number (1457029728).

Almost surely, 2^33140040140 is an apocalyptic number.

It is an amenable number.

33140040140 is an abundant number, since it is smaller than the sum of its proper divisors (36797386804).

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

33140040140 is a wasteful number, since it uses less digits than its factorization.

33140040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33140040140 its reverse (4104004133), we get a palindrome (37244044273).

The spelling of 33140040140 in words is "thirty-three billion, one hundred forty million, forty thousand, one hundred forty".