2264640012 has 24 divisors (see below), whose sum is σ = 5871289200. Its totient is φ = 754879968.

The previous prime is 2264639987. The next prime is 2264640013. The reversal of 2264640012 is 2100464622.

2264640012 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 640 + 0 + 12 = 666.

2264640012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2264640013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10484337 + ... + 10484552.

It is an arithmetic number, because the mean of its divisors is an integer number (244637050).

Almost surely, 2^2264640012 is an apocalyptic number.

It is an amenable number.

2264640012 is an abundant number, since it is smaller than the sum of its proper divisors (3606649188).

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

2264640012 is a wasteful number, since it uses less digits than its factorization.

2264640012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968902 (or 20968894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2264640012 is about 47588.2339659710. The cubic root of 2264640012 is about 1313.2066059678.

The spelling of 2264640012 in words is "two billion, two hundred sixty-four million, six hundred forty thousand, twelve".