40555164192 has 48 divisors (see below), whose sum is σ = 106711486560. Its totient is φ = 13486111232.

The previous prime is 40555164191. The next prime is 40555164217. The reversal of 40555164192 is 29146155504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (40555164191) 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, 463893 + ... + 544340.

It is an arithmetic number, because the mean of its divisors is an integer number (2223155970).

Almost surely, 2^40555164192 is an apocalyptic number.

It is an amenable number.

40555164192 is an abundant number, since it is smaller than the sum of its proper divisors (66156322368).

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

40555164192 is a wasteful number, since it uses less digits than its factorization.

40555164192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008665 (or 1008657 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 40555164192 in words is "forty billion, five hundred fifty-five million, one hundred sixty-four thousand, one hundred ninety-two".