40646045607 has 8 divisors (see below), whose sum is σ = 55347806976. Its totient is φ = 26520823992.

The previous prime is 40646045597. The next prime is 40646045641. The reversal of 40646045607 is 70654064604.

It is a happy number.

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

It is not a de Polignac number, because 40646045607 - 2⁶ = 40646045543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40646045677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144134773 + ... + 144135054.

It is an arithmetic number, because the mean of its divisors is an integer number (6918475872).

Almost surely, 2^40646045607 is an apocalyptic number.

40646045607 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40646045607 is a deficient number, since it is larger than the sum of its proper divisors (14701761369).

40646045607 is a wasteful number, since it uses less digits than its factorization.

40646045607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288269877.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 40646045607 in words is "forty billion, six hundred forty-six million, forty-five thousand, six hundred seven".