35505144020 has 24 divisors (see below), whose sum is σ = 74569688424. Its totient is φ = 14200365056.

The previous prime is 35505143983. The next prime is 35505144023. The reversal of 35505144020 is 2044150553.

It can be written as a sum of positive squares in 4 ways, for example, as 7189004944 + 28316139076 = 84788^2 + 168274^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35505144023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73652 + ... + 276468.

It is an arithmetic number, because the mean of its divisors is an integer number (3107070351).

Almost surely, 2^35505144020 is an apocalyptic number.

It is an amenable number.

35505144020 is an abundant number, since it is smaller than the sum of its proper divisors (39064544404).

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

35505144020 is a wasteful number, since it uses less digits than its factorization.

35505144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211579 (or 211577 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 35505144020 its reverse (2044150553), we get a palindrome (37549294573).

The spelling of 35505144020 in words is "thirty-five billion, five hundred five million, one hundred forty-four thousand, twenty".