35440840 has 16 divisors (see below), whose sum is σ = 79741980. Its totient is φ = 14176320.

The previous prime is 35440831. The next prime is 35440859. The reversal of 35440840 is 4804453.

It can be written as a sum of positive squares in 2 ways, for example, as 35212356 + 228484 = 5934^2 + 478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35440799 and 35440808.

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, 442971 + ... + 443050.

Almost surely, 2^35440840 is an apocalyptic number.

It is an amenable number.

35440840 is an abundant number, since it is smaller than the sum of its proper divisors (44301140).

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

35440840 is a wasteful number, since it uses less digits than its factorization.

35440840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886032 (or 886028 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 35440840 is about 5953.2209769166. The cubic root of 35440840 is about 328.4742544577.

The spelling of 35440840 in words is "thirty-five million, four hundred forty thousand, eight hundred forty".