30402068405 has 32 divisors (see below), whose sum is σ = 39869988480. Its totient is φ = 22166876160.

The previous prime is 30402068401. The next prime is 30402068413. The reversal of 30402068405 is 50486020403.

It is not a de Polignac number, because 30402068405 - 2² = 30402068401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402068401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290765 + ... + 381245.

It is an arithmetic number, because the mean of its divisors is an integer number (1245937140).

Almost surely, 2^30402068405 is an apocalyptic number.

It is an amenable number.

30402068405 is a deficient number, since it is larger than the sum of its proper divisors (9467920075).

30402068405 is a wasteful number, since it uses less digits than its factorization.

30402068405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90629.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 30402068405 its reverse (50486020403), we get a palindrome (80888088808).

The spelling of 30402068405 in words is "thirty billion, four hundred two million, sixty-eight thousand, four hundred five".