40065452056 has 16 divisors (see below), whose sum is σ = 85854540240. Its totient is φ = 17170908000.

The previous prime is 40065452051. The next prime is 40065452101. The reversal of 40065452056 is 65025456004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065452051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357727195 + ... + 357727306.

It is an arithmetic number, because the mean of its divisors is an integer number (5365908765).

Almost surely, 2^40065452056 is an apocalyptic number.

It is an amenable number.

40065452056 is an abundant number, since it is smaller than the sum of its proper divisors (45789088184).

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

40065452056 is a wasteful number, since it uses less digits than its factorization.

40065452056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715454514 (or 715454510 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 40065452056 in words is "forty billion, sixty-five million, four hundred fifty-two thousand, fifty-six".