30405141502 has 48 divisors (see below), whose sum is σ = 48973600368. Its totient is φ = 14148731520.

The previous prime is 30405141491. The next prime is 30405141509. The reversal of 30405141502 is 20514150403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30405141509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13328602 + ... + 13330882.

It is an arithmetic number, because the mean of its divisors is an integer number (1020283341).

Almost surely, 2^30405141502 is an apocalyptic number.

30405141502 is a deficient number, since it is larger than the sum of its proper divisors (18568458866).

30405141502 is a wasteful number, since it uses less digits than its factorization.

30405141502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 30405141502 its reverse (20514150403), we get a palindrome (50919291905).

The spelling of 30405141502 in words is "thirty billion, four hundred five million, one hundred forty-one thousand, five hundred two".