2638040122 has 8 divisors (see below), whose sum is σ = 4053573972. Its totient is φ = 1286848800.

The previous prime is 2638040101. The next prime is 2638040147. The reversal of 2638040122 is 2210408362.

It can be written as a sum of positive squares in 2 ways, for example, as 2551159081 + 86881041 = 50509^2 + 9321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 16085529 + ... + 16085692.

Almost surely, 2^2638040122 is an apocalyptic number.

2638040122 is a deficient number, since it is larger than the sum of its proper divisors (1415533850).

2638040122 is a wasteful number, since it uses less digits than its factorization.

2638040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32171264.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2638040122 is about 51361.8547367597. The cubic root of 2638040122 is about 1381.7425515747.

Adding to 2638040122 its reverse (2210408362), we get a palindrome (4848448484).

The spelling of 2638040122 in words is "two billion, six hundred thirty-eight million, forty thousand, one hundred twenty-two".