213400414242 has 32 divisors (see below), whose sum is σ = 474293064960. Its totient is φ = 71122983120.

The previous prime is 213400414237. The next prime is 213400414243. The reversal of 213400414242 is 242414004312.

213400414242 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 0 + 0 + 414 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213400414243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82692 + ... + 658512.

It is an arithmetic number, because the mean of its divisors is an integer number (14821658280).

Almost surely, 2^213400414242 is an apocalyptic number.

213400414242 is an abundant number, since it is smaller than the sum of its proper divisors (260892650718).

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

213400414242 is a wasteful number, since it uses less digits than its factorization.

213400414242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582695 (or 582689 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 213400414242 its reverse (242414004312), we get a palindrome (455814418554).

The spelling of 213400414242 in words is "two hundred thirteen billion, four hundred million, four hundred fourteen thousand, two hundred forty-two".