35405040520 has 16 divisors (see below), whose sum is σ = 79661341260. Its totient is φ = 14162016192.

The previous prime is 35405040491. The next prime is 35405040521. The reversal of 35405040520 is 2504050453.

It can be written as a sum of positive squares in 2 ways, for example, as 34630976836 + 774063684 = 186094^2 + 27822^2 .

It is not an unprimeable number, because it can be changed into a prime (35405040521) 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, 442562967 + ... + 442563046.

Almost surely, 2^35405040520 is an apocalyptic number.

It is an amenable number.

35405040520 is an abundant number, since it is smaller than the sum of its proper divisors (44256300740).

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

35405040520 is a wasteful number, since it uses less digits than its factorization.

35405040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885126024 (or 885126020 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 35405040520 its reverse (2504050453), we get a palindrome (37909090973).

The spelling of 35405040520 in words is "thirty-five billion, four hundred five million, forty thousand, five hundred twenty".