40654142426 has 4 divisors (see below), whose sum is σ = 60981213642. Its totient is φ = 20327071212.

The previous prime is 40654142401. The next prime is 40654142479. The reversal of 40654142426 is 62424145604.

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

It can be written as a sum of positive squares in only one way, i.e., 26242380025 + 14411762401 = 161995^2 + 120049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40654142426.

It is an unprimeable number.

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, 10163535605 + ... + 10163535608.

Almost surely, 2^40654142426 is an apocalyptic number.

40654142426 is a deficient number, since it is larger than the sum of its proper divisors (20327071216).

40654142426 is a wasteful number, since it uses less digits than its factorization.

40654142426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20327071215.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 40654142426 in words is "forty billion, six hundred fifty-four million, one hundred forty-two thousand, four hundred twenty-six".