40221523024 has 10 divisors (see below), whose sum is σ = 77929200890. Its totient is φ = 20110761504.

The previous prime is 40221523019. The next prime is 40221523093. The reversal of 40221523024 is 42032512204.

40221523024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27878313024 + 12343210000 = 166968^2 + 111100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40221523024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256922579 + ... + 1256922610.

It is an arithmetic number, because the mean of its divisors is an integer number (7792920089).

Almost surely, 2^40221523024 is an apocalyptic number.

It is an amenable number.

40221523024 is a deficient number, since it is larger than the sum of its proper divisors (37707677866).

40221523024 is a wasteful number, since it uses less digits than its factorization.

40221523024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513845197 (or 2513845191 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 40221523024 in words is "forty billion, two hundred twenty-one million, five hundred twenty-three thousand, twenty-four".