40615505506 has 8 divisors (see below), whose sum is σ = 60960479580. Its totient is φ = 20295345648.

The previous prime is 40615505503. The next prime is 40615505519. The reversal of 40615505506 is 60550551604.

It can be written as a sum of positive squares in 2 ways, for example, as 39557629881 + 1057875625 = 198891^2 + 32525^2 .

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 (40615505501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6199461 + ... + 6206008.

Almost surely, 2^40615505506 is an apocalyptic number.

40615505506 is a deficient number, since it is larger than the sum of its proper divisors (20344974074).

40615505506 is a wasteful number, since it uses less digits than its factorization.

40615505506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407108.

The product of its (nonzero) digits is 90000, while the sum is 37.

It can be divided in two parts, 40615 and 505506, that added together give a square (546121 = 739²).

The spelling of 40615505506 in words is "forty billion, six hundred fifteen million, five hundred five thousand, five hundred six".