30421440210 has 32 divisors (see below), whose sum is σ = 83441665152. Its totient is φ = 6953472000.

The previous prime is 30421440197. The next prime is 30421440239. The reversal of 30421440210 is 1204412403.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72431791 + ... + 72432210.

It is an arithmetic number, because the mean of its divisors is an integer number (2607552036).

Almost surely, 2^30421440210 is an apocalyptic number.

30421440210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30421440210 is an abundant number, since it is smaller than the sum of its proper divisors (53020224942).

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

30421440210 is a wasteful number, since it uses less digits than its factorization.

30421440210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144864018.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30421440210 its reverse (1204412403), we get a palindrome (31625852613).

The spelling of 30421440210 in words is "thirty billion, four hundred twenty-one million, four hundred forty thousand, two hundred ten".