210454040120 has 16 divisors (see below), whose sum is σ = 473521590360. Its totient is φ = 84181616032.

The previous prime is 210454040119. The next prime is 210454040267. The reversal of 210454040120 is 21040454012.

It is a super-2 number, since 2×210454040120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630675462 + ... + 2630675541.

Almost surely, 2^210454040120 is an apocalyptic number.

210454040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210454040120 is an abundant number, since it is smaller than the sum of its proper divisors (263067550240).

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

210454040120 is a wasteful number, since it uses less digits than its factorization.

210454040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261351014 (or 5261351010 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 210454040120 its reverse (21040454012), we get a palindrome (231494494132).

The spelling of 210454040120 in words is "two hundred ten billion, four hundred fifty-four million, forty thousand, one hundred twenty".