40522421939 has 8 divisors (see below), whose sum is σ = 41393704800. Its totient is φ = 39657816000.

The previous prime is 40522421917. The next prime is 40522421957. The reversal of 40522421939 is 93912422504.

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 40522421939 - 2¹⁶ = 40522356403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40522421896 and 40522421905.

It is not an unprimeable number, because it can be changed into a prime (40522426939) 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, 1656962 + ... + 1681239.

It is an arithmetic number, because the mean of its divisors is an integer number (5174213100).

Almost surely, 2^40522421939 is an apocalyptic number.

40522421939 is a deficient number, since it is larger than the sum of its proper divisors (871282861).

40522421939 is a wasteful number, since it uses less digits than its factorization.

40522421939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338461.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 40522421939 in words is "forty billion, five hundred twenty-two million, four hundred twenty-one thousand, nine hundred thirty-nine".