30421402024 has 32 divisors (see below), whose sum is σ = 61791345000. Its totient is φ = 14040638976.

The previous prime is 30421402013. The next prime is 30421402051. The reversal of 30421402024 is 42020412403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4943496100 + 25477905924 = 70310^2 + 159618^2 .

It is a super-2 number, since 2×30421402024² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30421401986 and 30421402004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847849 + ... + 883000.

Almost surely, 2^30421402024 is an apocalyptic number.

It is an amenable number.

30421402024 is an abundant number, since it is smaller than the sum of its proper divisors (31369942976).

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

30421402024 is a wasteful number, since it uses less digits than its factorization.

30421402024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730894 (or 1730864 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30421402024 its reverse (42020412403), we get a palindrome (72441814427).

The spelling of 30421402024 in words is "thirty billion, four hundred twenty-one million, four hundred two thousand, twenty-four".