40700099221 has 4 divisors (see below), whose sum is σ = 40717897792. Its totient is φ = 40682300652.

The previous prime is 40700099183. The next prime is 40700099233. The reversal of 40700099221 is 12299000704.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40700099221 - 2⁷ = 40700099093 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 (40700099261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8895855 + ... + 8900428.

It is an arithmetic number, because the mean of its divisors is an integer number (10179474448).

Almost surely, 2^40700099221 is an apocalyptic number.

It is an amenable number.

40700099221 is a deficient number, since it is larger than the sum of its proper divisors (17798571).

40700099221 is a wasteful number, since it uses less digits than its factorization.

40700099221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798570.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 40700099221 its reverse (12299000704), we get a palindrome (52999099925).

The spelling of 40700099221 in words is "forty billion, seven hundred million, ninety-nine thousand, two hundred twenty-one".