210310442040 has 32 divisors (see below), whose sum is σ = 630931326480. Its totient is φ = 56082784512.

The previous prime is 210310442009. The next prime is 210310442051. The reversal of 210310442040 is 40244013012.

It is a junction number, because it is equal to n+sod(n) for n = 210310441998 and 210310442016.

It is a congruent number.

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, 876293389 + ... + 876293628.

Almost surely, 2^210310442040 is an apocalyptic number.

210310442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210310442040 is an abundant number, since it is smaller than the sum of its proper divisors (420620884440).

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

210310442040 is a wasteful number, since it uses less digits than its factorization.

210310442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752587031 (or 1752587027 counting only the distinct ones).

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

Adding to 210310442040 its reverse (40244013012), we get a palindrome (250554455052).

The spelling of 210310442040 in words is "two hundred ten billion, three hundred ten million, four hundred forty-two thousand, forty".