2240464642 has 16 divisors (see below), whose sum is σ = 3630788280. Its totient is φ = 1030753152.

The previous prime is 2240464637. The next prime is 2240464703. The reversal of 2240464642 is 2464640422.

It can be written as a sum of positive squares in 4 ways, for example, as 449397601 + 1791067041 = 21199^2 + 42321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2240464598 and 2240464607.

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, 129517 + ... + 145792.

Almost surely, 2^2240464642 is an apocalyptic number.

2240464642 is a deficient number, since it is larger than the sum of its proper divisors (1390323638).

2240464642 is a wasteful number, since it uses less digits than its factorization.

2240464642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275637.

The product of its (nonzero) digits is 73728, while the sum is 34.

The square root of 2240464642 is about 47333.5466873126. The cubic root of 2240464642 is about 1308.5169865585.

The spelling of 2240464642 in words is "two billion, two hundred forty million, four hundred sixty-four thousand, six hundred forty-two".