40615505507 has 4 divisors (see below), whose sum is σ = 41925683136. Its totient is φ = 39305327880.

The previous prime is 40615505503. The next prime is 40615505519. The reversal of 40615505507 is 70550551604.

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

It is a cyclic number.

It is not a de Polignac number, because 40615505507 - 2² = 40615505503 is a prime.

It is a Duffinian number.

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, 655088768 + ... + 655088829.

It is an arithmetic number, because the mean of its divisors is an integer number (10481420784).

Almost surely, 2^40615505507 is an apocalyptic number.

40615505507 is a deficient number, since it is larger than the sum of its proper divisors (1310177629).

40615505507 is a wasteful number, since it uses less digits than its factorization.

40615505507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310177628.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 40615505507 in words is "forty billion, six hundred fifteen million, five hundred five thousand, five hundred seven".