2640838141 has 8 divisors (see below), whose sum is σ = 2673657504. Its totient is φ = 2608042800.

The previous prime is 2640838133. The next prime is 2640838159. The reversal of 2640838141 is 1418380462.

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

It is a cyclic number.

It is not a de Polignac number, because 2640838141 - 2³ = 2640838133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2640838141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640838121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330291 + ... + 338191.

It is an arithmetic number, because the mean of its divisors is an integer number (334207188).

Almost surely, 2^2640838141 is an apocalyptic number.

It is an amenable number.

2640838141 is a deficient number, since it is larger than the sum of its proper divisors (32819363).

2640838141 is an equidigital number, since it uses as much as digits as its factorization.

2640838141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 2640838141 is about 51389.0858159590. The cubic root of 2640838141 is about 1382.2308908560.

The spelling of 2640838141 in words is "two billion, six hundred forty million, eight hundred thirty-eight thousand, one hundred forty-one".