40400844572 has 12 divisors (see below), whose sum is σ = 77128885176. Its totient is φ = 18364020240.

The previous prime is 40400844569. The next prime is 40400844577. The reversal of 40400844572 is 27544800404.

40400844572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400844577) 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, 459100463 + ... + 459100550.

It is an arithmetic number, because the mean of its divisors is an integer number (6427407098).

Almost surely, 2^40400844572 is an apocalyptic number.

It is an amenable number.

40400844572 is a deficient number, since it is larger than the sum of its proper divisors (36728040604).

40400844572 is a wasteful number, since it uses less digits than its factorization.

40400844572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918201028 (or 918201026 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 38.

The spelling of 40400844572 in words is "forty billion, four hundred million, eight hundred forty-four thousand, five hundred seventy-two".