402200044450 has 48 divisors (see below), whose sum is σ = 784489778280. Its totient is φ = 153204549120.

The previous prime is 402200044439. The next prime is 402200044451. The reversal of 402200044450 is 54440002204.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1474329609 + 400725714841 = 38397^2 + 633029^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (402200044451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1794009 + ... + 2005708.

Almost surely, 2^402200044450 is an apocalyptic number.

402200044450 is a deficient number, since it is larger than the sum of its proper divisors (382289733830).

402200044450 is a wasteful number, since it uses less digits than its factorization.

402200044450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799831 (or 3799826 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 402200044450 its reverse (54440002204), we get a palindrome (456640046654).

The spelling of 402200044450 in words is "four hundred two billion, two hundred million, forty-four thousand, four hundred fifty".