402243344350 has 24 divisors (see below), whose sum is σ = 773971679160. Its totient is φ = 155349153120.

The previous prime is 402243344329. The next prime is 402243344353. The reversal of 402243344350 is 53443342204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402243344353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138703152 + ... + 138706051.

It is an arithmetic number, because the mean of its divisors is an integer number (32248819965).

Almost surely, 2^402243344350 is an apocalyptic number.

402243344350 is a deficient number, since it is larger than the sum of its proper divisors (371728334810).

402243344350 is a wasteful number, since it uses less digits than its factorization.

402243344350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277409244 (or 277409239 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 402243344350 its reverse (53443342204), we get a palindrome (455686686554).

The spelling of 402243344350 in words is "four hundred two billion, two hundred forty-three million, three hundred forty-four thousand, three hundred fifty".