400002260 has 24 divisors (see below), whose sum is σ = 960005760. Its totient is φ = 137143584.

The previous prime is 400002247. The next prime is 400002263. The reversal of 400002260 is 62200004.

400002260 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400002263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428440 + ... + 1428719.

It is an arithmetic number, because the mean of its divisors is an integer number (40000240).

Almost surely, 2^400002260 is an apocalyptic number.

It is an amenable number.

400002260 is an abundant number, since it is smaller than the sum of its proper divisors (560003500).

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

400002260 is a wasteful number, since it uses less digits than its factorization.

400002260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857175 (or 2857173 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 400002260 is about 20000.0564999202. The cubic root of 400002260 is about 736.8076873773.

Adding to 400002260 its reverse (62200004), we get a palindrome (462202264).

The spelling of 400002260 in words is "four hundred million, two thousand, two hundred sixty".