40405215213223 has 16 divisors (see below), whose sum is σ = 46230899904000. Its totient is φ = 34592912598816.

The previous prime is 40405215213217. The next prime is 40405215213269. The reversal of 40405215213223 is 32231251250404.

It is a cyclic number.

It is not a de Polignac number, because 40405215213223 - 2²⁵ = 40405181658791 is a prime.

It is a super-2 number, since 2×40405215213223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40405215213523) 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, 119020278 + ... + 119359276.

It is an arithmetic number, because the mean of its divisors is an integer number (2889431244000).

Almost surely, 2^{40405215213223} is an apocalyptic number.

40405215213223 is a deficient number, since it is larger than the sum of its proper divisors (5825684690777).

40405215213223 is a wasteful number, since it uses less digits than its factorization.

40405215213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358686.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 40405215213223 its reverse (32231251250404), we get a palindrome (72636466463627).

The spelling of 40405215213223 in words is "forty trillion, four hundred five billion, two hundred fifteen million, two hundred thirteen thousand, two hundred twenty-three".