40271057652 has 96 divisors (see below), whose sum is σ = 108945760000. Its totient is φ = 11339523072.

The previous prime is 40271057609. The next prime is 40271057657. The reversal of 40271057652 is 25675017204.

It is a self number, because there is not a number n which added to its sum of digits gives 40271057652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271057657) by changing a digit.

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, 14647974 + ... + 14650722.

Almost surely, 2^40271057652 is an apocalyptic number.

40271057652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a pronic number, being equal to 200676×200677.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40271057652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54472880000).

40271057652 is an abundant number, since it is smaller than the sum of its proper divisors (68674702348).

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

40271057652 is a wasteful number, since it uses less digits than its factorization.

40271057652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 40271057652 in words is "forty billion, two hundred seventy-one million, fifty-seven thousand, six hundred fifty-two".