4640644082274 has 16 divisors (see below), whose sum is σ = 9281329723008. Its totient is φ = 1546874434352.

The previous prime is 4640644082219. The next prime is 4640644082279. The reversal of 4640644082274 is 4722804460464.

It is a super-2 number, since 2×4640644082274² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4640644082279) 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, 171882 + ... + 3051365.

It is an arithmetic number, because the mean of its divisors is an integer number (580083107688).

Almost surely, 2^{4640644082274} is an apocalyptic number.

4640644082274 is an abundant number, since it is smaller than the sum of its proper divisors (4640685640734).

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

4640644082274 is a wasteful number, since it uses less digits than its factorization.

4640644082274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463209.

The product of its (nonzero) digits is 8257536, while the sum is 51.

The spelling of 4640644082274 in words is "four trillion, six hundred forty billion, six hundred forty-four million, eighty-two thousand, two hundred seventy-four".