2264648638 has 16 divisors (see below), whose sum is σ = 3883390560. Its totient is φ = 970279776.

The previous prime is 2264648597. The next prime is 2264648641. The reversal of 2264648638 is 8368464622.

It is a junction number, because it is equal to n+sod(n) for n = 2264648591 and 2264648600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30120 + ... + 73732.

It is an arithmetic number, because the mean of its divisors is an integer number (242711910).

Almost surely, 2^2264648638 is an apocalyptic number.

2264648638 is a deficient number, since it is larger than the sum of its proper divisors (1618741922).

2264648638 is a wasteful number, since it uses less digits than its factorization.

2264648638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47331.

The product of its digits is 2654208, while the sum is 49.

The square root of 2264648638 is about 47588.3245975313. The cubic root of 2264648638 is about 1313.2082732976.

The spelling of 2264648638 in words is "two billion, two hundred sixty-four million, six hundred forty-eight thousand, six hundred thirty-eight".