30402420462 has 24 divisors (see below), whose sum is σ = 67403817624. Its totient is φ = 9898462224.

The previous prime is 30402420439. The next prime is 30402420463. The reversal of 30402420462 is 26402420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402420463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19639033 + ... + 19640580.

It is an arithmetic number, because the mean of its divisors is an integer number (2808492401).

Almost surely, 2^30402420462 is an apocalyptic number.

30402420462 is an abundant number, since it is smaller than the sum of its proper divisors (37001397162).

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

30402420462 is a wasteful number, since it uses less digits than its factorization.

30402420462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279664 (or 39279661 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30402420462 its reverse (26402420403), we get a palindrome (56804840865).

The spelling of 30402420462 in words is "thirty billion, four hundred two million, four hundred twenty thousand, four hundred sixty-two".