402432620260 has 48 divisors (see below), whose sum is σ = 934565853312. Its totient is φ = 144334483200.

The previous prime is 402432620141. The next prime is 402432620267. The reversal of 402432620260 is 62026234204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402432620267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12512976 + ... + 12545095.

It is an arithmetic number, because the mean of its divisors is an integer number (19470121944).

Almost surely, 2^402432620260 is an apocalyptic number.

It is an amenable number.

402432620260 is an abundant number, since it is smaller than the sum of its proper divisors (532133233052).

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

402432620260 is a wasteful number, since it uses less digits than its factorization.

402432620260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25058164 (or 25058162 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 402432620260 its reverse (62026234204), we get a palindrome (464458854464).

The spelling of 402432620260 in words is "four hundred two billion, four hundred thirty-two million, six hundred twenty thousand, two hundred sixty".