4012263620 has 24 divisors (see below), whose sum is σ = 8429436288. Its totient is φ = 1604204000.

The previous prime is 4012263587. The next prime is 4012263623. The reversal of 4012263620 is 263622104.

It is a self number, because there is not a number n which added to its sum of digits gives 4012263620.

It is not an unprimeable number, because it can be changed into a prime (4012263623) 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, 4355 + ... + 89685.

It is an arithmetic number, because the mean of its divisors is an integer number (351226512).

Almost surely, 2^4012263620 is an apocalyptic number.

It is an amenable number.

4012263620 is an abundant number, since it is smaller than the sum of its proper divisors (4417172668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012263620 is a wasteful number, since it uses less digits than its factorization.

4012263620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87691 (or 87689 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4012263620 is about 63342.4314342290. The cubic root of 4012263620 is about 1589.0216704815.

Adding to 4012263620 its reverse (263622104), we get a palindrome (4275885724).

The spelling of 4012263620 in words is "four billion, twelve million, two hundred sixty-three thousand, six hundred twenty".