35144340520 has 16 divisors (see below), whose sum is σ = 79074766260. Its totient is φ = 14057736192.

The previous prime is 35144340509. The next prime is 35144340529. The reversal of 35144340520 is 2504344153.

It can be written as a sum of positive squares in 2 ways, for example, as 32740007364 + 2404333156 = 180942^2 + 49034^2 .

It is not an unprimeable number, because it can be changed into a prime (35144340529) 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, 439304217 + ... + 439304296.

Almost surely, 2^35144340520 is an apocalyptic number.

It is an amenable number.

35144340520 is an abundant number, since it is smaller than the sum of its proper divisors (43930425740).

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

35144340520 is a wasteful number, since it uses less digits than its factorization.

35144340520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878608524 (or 878608520 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 35144340520 its reverse (2504344153), we get a palindrome (37648684673).

The spelling of 35144340520 in words is "thirty-five billion, one hundred forty-four million, three hundred forty thousand, five hundred twenty".