2880640642 has 8 divisors (see below), whose sum is σ = 4713775632. Its totient is φ = 1309382100.

The previous prime is 2880640601. The next prime is 2880640657. The reversal of 2880640642 is 2460460882.

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

It is a junction number, because it is equal to n+sod(n) for n = 2880640595 and 2880640604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65469084 + ... + 65469127.

It is an arithmetic number, because the mean of its divisors is an integer number (589221954).

Almost surely, 2^2880640642 is an apocalyptic number.

2880640642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2880640642 is a deficient number, since it is larger than the sum of its proper divisors (1833134990).

2880640642 is a wasteful number, since it uses less digits than its factorization.

2880640642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130938224.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2880640642 is about 53671.5999575194. The cubic root of 2880640642 is about 1422.8628091247.

The spelling of 2880640642 in words is "two billion, eight hundred eighty million, six hundred forty thousand, six hundred forty-two".