835440012 has 36 divisors (see below), whose sum is σ = 2303790216. Its totient is φ = 253163520.

The previous prime is 835439989. The next prime is 835440019. The reversal of 835440012 is 210044538.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (835440019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054453 + ... + 1055244.

Almost surely, 2^835440012 is an apocalyptic number.

It is an amenable number.

835440012 is an abundant number, since it is smaller than the sum of its proper divisors (1468350204).

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

835440012 is a wasteful number, since it uses less digits than its factorization.

835440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109718 (or 2109713 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 835440012 is about 28903.9791724254. The cubic root of 835440012 is about 941.8283458034.

The spelling of 835440012 in words is "eight hundred thirty-five million, four hundred forty thousand, twelve".