402245332460 has 24 divisors (see below), whose sum is σ = 845289505536. Its totient is φ = 160788741120.

The previous prime is 402245332399. The next prime is 402245332469. The reversal of 402245332460 is 64233542204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402245332460.

It is not an unprimeable number, because it can be changed into a prime (402245332469) 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 7 ways as a sum of consecutive naturals, for example, 6806837 + ... + 6865676.

It is an arithmetic number, because the mean of its divisors is an integer number (35220396064).

Almost surely, 2^402245332460 is an apocalyptic number.

It is an amenable number.

402245332460 is an abundant number, since it is smaller than the sum of its proper divisors (443044173076).

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

402245332460 is a wasteful number, since it uses less digits than its factorization.

402245332460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673993 (or 13673991 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 402245332460 its reverse (64233542204), we get a palindrome (466478874664).

The spelling of 402245332460 in words is "four hundred two billion, two hundred forty-five million, three hundred thirty-two thousand, four hundred sixty".