210004235040 has 96 divisors (see below), whose sum is σ = 662948991936. Its totient is φ = 55879592960.

The previous prime is 210004234943. The next prime is 210004235041. The reversal of 210004235040 is 40532400012.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 210004234998 and 210004235016.

It is not an unprimeable number, because it can be changed into a prime (210004235041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253242 + ... + 695801.

It is an arithmetic number, because the mean of its divisors is an integer number (6905718666).

Almost surely, 2^210004235040 is an apocalyptic number.

210004235040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210004235040 is an abundant number, since it is smaller than the sum of its proper divisors (452944756896).

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

210004235040 is a wasteful number, since it uses less digits than its factorization.

210004235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949522 (or 949514 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 210004235040 its reverse (40532400012), we get a palindrome (250536635052).

The spelling of 210004235040 in words is "two hundred ten billion, four million, two hundred thirty-five thousand, forty".