213010040 has 32 divisors (see below), whose sum is σ = 479753280. Its totient is φ = 85118592.

The previous prime is 213010037. The next prime is 213010067. The reversal of 213010040 is 40010312.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 51074 + ... + 55086.

It is an arithmetic number, because the mean of its divisors is an integer number (14992290).

Almost surely, 2^213010040 is an apocalyptic number.

213010040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213010040 is an abundant number, since it is smaller than the sum of its proper divisors (266743240).

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

213010040 is a wasteful number, since it uses less digits than its factorization.

213010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 213010040 is about 14594.8634800056. The cubic root of 213010040 is about 597.2186452170.

Adding to 213010040 its reverse (40010312), we get a palindrome (253020352).

The spelling of 213010040 in words is "two hundred thirteen million, ten thousand, forty".