213400222040 has 16 divisors (see below), whose sum is σ = 480150499680. Its totient is φ = 85360088800.

The previous prime is 213400222019. The next prime is 213400222069. The reversal of 213400222040 is 40222004312.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2667502736 + ... + 2667502815.

It is an arithmetic number, because the mean of its divisors is an integer number (30009406230).

Almost surely, 2^213400222040 is an apocalyptic number.

213400222040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213400222040 is an abundant number, since it is smaller than the sum of its proper divisors (266750277640).

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

213400222040 is a wasteful number, since it uses less digits than its factorization.

213400222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335005562 (or 5335005558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 213400222040 its reverse (40222004312), we get a palindrome (253622226352).

The spelling of 213400222040 in words is "two hundred thirteen billion, four hundred million, two hundred twenty-two thousand, forty".