40220205623 has 8 divisors (see below), whose sum is σ = 43384277328. Its totient is φ = 37066163904.

The previous prime is 40220205611. The next prime is 40220205629. The reversal of 40220205623 is 32650202204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40220205623 - 2¹⁰ = 40220204599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40220205592 and 40220205601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220205629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499161 + ... + 2515202.

It is an arithmetic number, because the mean of its divisors is an integer number (5423034666).

Almost surely, 2^40220205623 is an apocalyptic number.

40220205623 is a deficient number, since it is larger than the sum of its proper divisors (3164071705).

40220205623 is a wasteful number, since it uses less digits than its factorization.

40220205623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014993.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40220205623 its reverse (32650202204), we get a palindrome (72870407827).

The spelling of 40220205623 in words is "forty billion, two hundred twenty million, two hundred five thousand, six hundred twenty-three".