40237923422 has 4 divisors (see below), whose sum is σ = 60356885136. Its totient is φ = 20118961710.

The previous prime is 40237923421. The next prime is 40237923431. The reversal of 40237923422 is 22432973204.

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 (40237923421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10059480854 + ... + 10059480857.

It is an arithmetic number, because the mean of its divisors is an integer number (15089221284).

Almost surely, 2^40237923422 is an apocalyptic number.

40237923422 is a deficient number, since it is larger than the sum of its proper divisors (20118961714).

40237923422 is a wasteful number, since it uses less digits than its factorization.

40237923422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118961713.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 40237923422 in words is "forty billion, two hundred thirty-seven million, nine hundred twenty-three thousand, four hundred twenty-two".