213622612040 has 32 divisors (see below), whose sum is σ = 480682944000. Its totient is φ = 85443344064.

The previous prime is 213622611971. The next prime is 213622612057. The reversal of 213622612040 is 40216226312.

It is a junction number, because it is equal to n+sod(n) for n = 213622611994 and 213622612012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456851 + ... + 797469.

It is an arithmetic number, because the mean of its divisors is an integer number (15021342000).

Almost surely, 2^213622612040 is an apocalyptic number.

213622612040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213622612040 is an abundant number, since it is smaller than the sum of its proper divisors (267060331960).

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

213622612040 is a wasteful number, since it uses less digits than its factorization.

213622612040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356309 (or 356305 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 213622612040 its reverse (40216226312), we get a palindrome (253838838352).

The spelling of 213622612040 in words is "two hundred thirteen billion, six hundred twenty-two million, six hundred twelve thousand, forty".