30440400210 has 80 divisors (see below), whose sum is σ = 89291866752. Its totient is φ = 7379488800.

The previous prime is 30440400197. The next prime is 30440400227. The reversal of 30440400210 is 1200404403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1699306 + ... + 1717125.

Almost surely, 2^30440400210 is an apocalyptic number.

30440400210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30440400210 is an abundant number, since it is smaller than the sum of its proper divisors (58851466542).

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

30440400210 is a wasteful number, since it uses less digits than its factorization.

30440400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416461 (or 3416452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30440400210 its reverse (1200404403), we get a palindrome (31640804613).

The spelling of 30440400210 in words is "thirty billion, four hundred forty million, four hundred thousand, two hundred ten".