40526122642 has 8 divisors (see below), whose sum is σ = 60858501516. Its totient is φ = 20239955472.

The previous prime is 40526122627. The next prime is 40526122661. The reversal of 40526122642 is 24622162504.

It can be written as a sum of positive squares in 2 ways, for example, as 39426470721 + 1099651921 = 198561^2 + 33161^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40526122598 and 40526122607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11550733 + ... + 11554240.

Almost surely, 2^40526122642 is an apocalyptic number.

40526122642 is a deficient number, since it is larger than the sum of its proper divisors (20332378874).

40526122642 is a wasteful number, since it uses less digits than its factorization.

40526122642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105852.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 40526122642 in words is "forty billion, five hundred twenty-six million, one hundred twenty-two thousand, six hundred forty-two".