40626136546 has 8 divisors (see below), whose sum is σ = 64523863980. Its totient is φ = 19118181888.

The previous prime is 40626136543. The next prime is 40626136559. The reversal of 40626136546 is 64563162604.

It can be written as a sum of positive squares in 2 ways, for example, as 38104992025 + 2521144521 = 195205^2 + 50211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40626136543) 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, 597443151 + ... + 597443218.

Almost surely, 2^40626136546 is an apocalyptic number.

40626136546 is a deficient number, since it is larger than the sum of its proper divisors (23897727434).

40626136546 is a wasteful number, since it uses less digits than its factorization.

40626136546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194886388.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 40626136546 in words is "forty billion, six hundred twenty-six million, one hundred thirty-six thousand, five hundred forty-six".