213010100440 has 16 divisors (see below), whose sum is σ = 479272726080. Its totient is φ = 85204040160.

The previous prime is 213010100437. The next prime is 213010100489. The reversal of 213010100440 is 44001010312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662626216 + ... + 2662626295.

It is an arithmetic number, because the mean of its divisors is an integer number (29954545380).

Almost surely, 2^213010100440 is an apocalyptic number.

213010100440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213010100440 is an abundant number, since it is smaller than the sum of its proper divisors (266262625640).

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

213010100440 is a wasteful number, since it uses less digits than its factorization.

213010100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325252522 (or 5325252518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 213010100440 its reverse (44001010312), we get a palindrome (257011110752).

The spelling of 213010100440 in words is "two hundred thirteen billion, ten million, one hundred thousand, four hundred forty".