402443301394 has 8 divisors (see below), whose sum is σ = 603668198448. Its totient is φ = 201220568580.

The previous prime is 402443301347. The next prime is 402443301419. The reversal of 402443301394 is 493103344204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×402443301394² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55269 + ... + 898855.

It is an arithmetic number, because the mean of its divisors is an integer number (75458524806).

Almost surely, 2^402443301394 is an apocalyptic number.

402443301394 is a deficient number, since it is larger than the sum of its proper divisors (201224897054).

402443301394 is a wasteful number, since it uses less digits than its factorization.

402443301394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082120.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 402443301394 its reverse (493103344204), we get a palindrome (895546645598).

The spelling of 402443301394 in words is "four hundred two billion, four hundred forty-three million, three hundred one thousand, three hundred ninety-four".