40426642246 has 16 divisors (see below), whose sum is σ = 60736165776. Its totient is φ = 20181275136.

The previous prime is 40426642237. The next prime is 40426642259. The reversal of 40426642246 is 64224662404.

It is a junction number, because it is equal to n+sod(n) for n = 40426642199 and 40426642208.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6899350 + ... + 6905206.

It is an arithmetic number, because the mean of its divisors is an integer number (3796010361).

Almost surely, 2^40426642246 is an apocalyptic number.

40426642246 is a deficient number, since it is larger than the sum of its proper divisors (20309523530).

40426642246 is a wasteful number, since it uses less digits than its factorization.

40426642246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 40426642246 in words is "forty billion, four hundred twenty-six million, six hundred forty-two thousand, two hundred forty-six".