40506147604 has 12 divisors (see below), whose sum is σ = 76338509044. Its totient is φ = 18695145024.

The previous prime is 40506147601. The next prime is 40506147653. The reversal of 40506147604 is 40674160504.

It can be written as a sum of positive squares in 2 ways, for example, as 8394224400 + 32111923204 = 91620^2 + 179198^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40506147601) 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, 389482137 + ... + 389482240.

Almost surely, 2^40506147604 is an apocalyptic number.

It is an amenable number.

40506147604 is a deficient number, since it is larger than the sum of its proper divisors (35832361440).

40506147604 is a wasteful number, since it uses less digits than its factorization.

40506147604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778964394 (or 778964392 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40506147604 in words is "forty billion, five hundred six million, one hundred forty-seven thousand, six hundred four".