400240020242213 has 16 divisors (see below), whose sum is σ = 419707619083776. Its totient is φ = 380948257008000.

The previous prime is 400240020242159. The next prime is 400240020242233. The reversal of 400240020242213 is 312242020042004.

It is not a de Polignac number, because 400240020242213 - 2⁴⁰ = 399140508614437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400240020242233) 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, 37041056 + ... + 46610297.

It is an arithmetic number, because the mean of its divisors is an integer number (26231726192736).

Almost surely, 2^{400240020242213} is an apocalyptic number.

It is an amenable number.

400240020242213 is a deficient number, since it is larger than the sum of its proper divisors (19467598841563).

400240020242213 is a wasteful number, since it uses less digits than its factorization.

400240020242213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83652404.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400240020242213 its reverse (312242020042004), we get a palindrome (712482040284217).

The spelling of 400240020242213 in words is "four hundred trillion, two hundred forty billion, twenty million, two hundred forty-two thousand, two hundred thirteen".