40023641422 has 4 divisors (see below), whose sum is σ = 60035462136. Its totient is φ = 20011820710.

The previous prime is 40023641381. The next prime is 40023641423. The reversal of 40023641422 is 22414632004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023641423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005910354 + ... + 10005910357.

It is an arithmetic number, because the mean of its divisors is an integer number (15008865534).

Almost surely, 2^40023641422 is an apocalyptic number.

40023641422 is a deficient number, since it is larger than the sum of its proper divisors (20011820714).

40023641422 is a wasteful number, since it uses less digits than its factorization.

40023641422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20011820713.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 40023641422 in words is "forty billion, twenty-three million, six hundred forty-one thousand, four hundred twenty-two".