35331770020040 has 128 divisors (see below), whose sum is σ = 90156057264000. Its totient is φ = 12353675378688.

The previous prime is 35331770020039. The next prime is 35331770020069. The reversal of 35331770020040 is 4002007713353.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22344872 + ... + 23873768.

It is an arithmetic number, because the mean of its divisors is an integer number (704344197375).

Almost surely, 2^{35331770020040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35331770020040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45078028632000).

35331770020040 is an abundant number, since it is smaller than the sum of its proper divisors (54824287243960).

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

35331770020040 is a wasteful number, since it uses less digits than its factorization.

35331770020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531279 (or 1531275 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

Adding to 35331770020040 its reverse (4002007713353), we get a palindrome (39333777733393).

The spelling of 35331770020040 in words is "thirty-five trillion, three hundred thirty-one billion, seven hundred seventy million, twenty thousand, forty".