40641573770 has 32 divisors (see below), whose sum is σ = 88523497728. Its totient is φ = 13114591488.

The previous prime is 40641573769. The next prime is 40641573811. The reversal of 40641573770 is 7737514604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17075102 + ... + 17077481.

It is an arithmetic number, because the mean of its divisors is an integer number (2766359304).

Almost surely, 2^40641573770 is an apocalyptic number.

40641573770 is an abundant number, since it is smaller than the sum of its proper divisors (47881923958).

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

40641573770 is a wasteful number, since it uses less digits than its factorization.

40641573770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34152614.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 40641573770 in words is "forty billion, six hundred forty-one million, five hundred seventy-three thousand, seven hundred seventy".