402200000394 has 32 divisors (see below), whose sum is σ = 810199887936. Its totient is φ = 133101446400.

The previous prime is 402200000393. The next prime is 402200000497. The reversal of 402200000394 is 493000002204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402200000393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953589 + ... + 1309095.

It is an arithmetic number, because the mean of its divisors is an integer number (25318746498).

Almost surely, 2^402200000394 is an apocalyptic number.

402200000394 is an abundant number, since it is smaller than the sum of its proper divisors (407999887542).

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

402200000394 is a wasteful number, since it uses less digits than its factorization.

402200000394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356870.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 402200000394 its reverse (493000002204), we get a palindrome (895200002598).

The spelling of 402200000394 in words is "four hundred two billion, two hundred million, three hundred ninety-four", and thus it is an aban number.