2246262640 has 20 divisors (see below), whose sum is σ = 5222560824. Its totient is φ = 898505024.

The previous prime is 2246262619. The next prime is 2246262647. The reversal of 2246262640 is 462626422.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2246262596 and 2246262605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246262647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14039062 + ... + 14039221.

Almost surely, 2^2246262640 is an apocalyptic number.

2246262640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2246262640 is an abundant number, since it is smaller than the sum of its proper divisors (2976298184).

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

2246262640 is a wasteful number, since it uses less digits than its factorization.

2246262640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28078296 (or 28078290 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2246262640 is about 47394.7532961192. The cubic root of 2246262640 is about 1309.6447650896.

It can be divided in two parts, 2 and 246262640, that added together give a palindrome (246262642).

The spelling of 2246262640 in words is "two billion, two hundred forty-six million, two hundred sixty-two thousand, six hundred forty".