402403402402 has 8 divisors (see below), whose sum is σ = 603713080512. Its totient is φ = 201165708900.

The previous prime is 402403402399. The next prime is 402403402439. The reversal of 402403402402 is 204204304204.

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

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, 17982174 + ... + 18004537.

It is an arithmetic number, because the mean of its divisors is an integer number (75464135064).

Almost surely, 2^402403402402 is an apocalyptic number.

402403402402 is a deficient number, since it is larger than the sum of its proper divisors (201309678110).

402403402402 is a wasteful number, since it uses less digits than its factorization.

402403402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35992304.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 402403402402 its reverse (204204304204), we get a palindrome (606607706606).

The spelling of 402403402402 in words is "four hundred two billion, four hundred three million, four hundred two thousand, four hundred two".