40610600646 has 64 divisors (see below), whose sum is σ = 106592440320. Its totient is φ = 9993036960.

The previous prime is 40610600623. The next prime is 40610600669. The reversal of 40610600646 is 64600601604.

It is an interprime number because it is at equal distance from previous prime (40610600623) and next prime (40610600669).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2304426 + ... + 2321981.

It is an arithmetic number, because the mean of its divisors is an integer number (1665506880).

Almost surely, 2^40610600646 is an apocalyptic number.

40610600646 is an abundant number, since it is smaller than the sum of its proper divisors (65981839674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40610600646 is a wasteful number, since it uses less digits than its factorization.

40610600646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626449.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 40610600646 in words is "forty billion, six hundred ten million, six hundred thousand, six hundred forty-six".