35405253440 has 28 divisors (see below), whose sum is σ = 84308760516. Its totient is φ = 14162101248.

The previous prime is 35405253431. The next prime is 35405253463. The reversal of 35405253440 is 4435250453.

It can be written as a sum of positive squares in 2 ways, for example, as 10065707584 + 25339545856 = 100328^2 + 159184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 35405253440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55320389 + ... + 55321028.

Almost surely, 2^35405253440 is an apocalyptic number.

It is an amenable number.

35405253440 is an abundant number, since it is smaller than the sum of its proper divisors (48903507076).

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

35405253440 is a wasteful number, since it uses less digits than its factorization.

35405253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110641434 (or 110641424 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 35405253440 in words is "thirty-five billion, four hundred five million, two hundred fifty-three thousand, four hundred forty".