2640470041 has 4 divisors (see below), whose sum is σ = 2880512784. Its totient is φ = 2400427300.

The previous prime is 2640470029. The next prime is 2640470057. The reversal of 2640470041 is 1400740462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2640470041 - 2¹⁵ = 2640437273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2640469991 and 2640470009.

It is not an unprimeable number, because it can be changed into a prime (2640479041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120021355 + ... + 120021376.

It is an arithmetic number, because the mean of its divisors is an integer number (720128196).

Almost surely, 2^2640470041 is an apocalyptic number.

It is an amenable number.

2640470041 is a deficient number, since it is larger than the sum of its proper divisors (240042743).

2640470041 is a wasteful number, since it uses less digits than its factorization.

2640470041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240042742.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2640470041 is about 51385.5041913573. The cubic root of 2640470041 is about 1382.1666659388.

The spelling of 2640470041 in words is "two billion, six hundred forty million, four hundred seventy thousand, forty-one".