40340465426 has 8 divisors (see below), whose sum is σ = 60733985664. Its totient is φ = 20095803540.

The previous prime is 40340465423. The next prime is 40340465441. The reversal of 40340465426 is 62456404304.

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

It is a super-2 number, since 2×40340465426² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40340465426.

It is not an unprimeable number, because it can be changed into a prime (40340465423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37213910 + ... + 37214993.

It is an arithmetic number, because the mean of its divisors is an integer number (7591748208).

Almost surely, 2^40340465426 is an apocalyptic number.

40340465426 is a deficient number, since it is larger than the sum of its proper divisors (20393520238).

40340465426 is a wasteful number, since it uses less digits than its factorization.

40340465426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74429176.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 40340465426 in words is "forty billion, three hundred forty million, four hundred sixty-five thousand, four hundred twenty-six".