2840651412 has 12 divisors (see below), whose sum is σ = 6628186656. Its totient is φ = 946883800.

The previous prime is 2840651389. The next prime is 2840651417. The reversal of 2840651412 is 2141560482.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840651417) 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, 118360464 + ... + 118360487.

It is an arithmetic number, because the mean of its divisors is an integer number (552348888).

Almost surely, 2^2840651412 is an apocalyptic number.

It is an amenable number.

2840651412 is an abundant number, since it is smaller than the sum of its proper divisors (3787535244).

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

2840651412 is a wasteful number, since it uses less digits than its factorization.

2840651412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236720958 (or 236720956 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2840651412 is about 53297.7617916550. The cubic root of 2840651412 is about 1416.2480154641.

The spelling of 2840651412 in words is "two billion, eight hundred forty million, six hundred fifty-one thousand, four hundred twelve".