2640435230 has 32 divisors (see below), whose sum is σ = 4909655808. Its totient is φ = 1021363200.

The previous prime is 2640435211. The next prime is 2640435251. The reversal of 2640435230 is 325340462.

2640435230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2640435193 and 2640435202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643064 + ... + 647156.

It is an arithmetic number, because the mean of its divisors is an integer number (153426744).

Almost surely, 2^2640435230 is an apocalyptic number.

2640435230 is a deficient number, since it is larger than the sum of its proper divisors (2269220578).

2640435230 is a wasteful number, since it uses less digits than its factorization.

2640435230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2640435230 is about 51385.1654663094. The cubic root of 2640435230 is about 1382.1605919174.

Adding to 2640435230 its reverse (325340462), we get a palindrome (2965775692).

The spelling of 2640435230 in words is "two billion, six hundred forty million, four hundred thirty-five thousand, two hundred thirty".