2642640202 has 8 divisors (see below), whose sum is σ = 3964286016. Its totient is φ = 1321211532.

The previous prime is 2642640181. The next prime is 2642640239. The reversal of 2642640202 is 2020462462.

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, 19368 + ... + 75235.

It is an arithmetic number, because the mean of its divisors is an integer number (495535752).

Almost surely, 2^2642640202 is an apocalyptic number.

2642640202 is a deficient number, since it is larger than the sum of its proper divisors (1321645814).

2642640202 is a wasteful number, since it uses less digits than its factorization.

2642640202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108572.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2642640202 is about 51406.6163251385. The cubic root of 2642640202 is about 1382.5452226312.

The spelling of 2642640202 in words is "two billion, six hundred forty-two million, six hundred forty thousand, two hundred two".