40036433504 has 48 divisors (see below), whose sum is σ = 79445772000. Its totient is φ = 19860056064.

The previous prime is 40036433501. The next prime is 40036433533. The reversal of 40036433504 is 40533463004.

40036433504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036433501) 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, 4377224 + ... + 4386360.

It is an arithmetic number, because the mean of its divisors is an integer number (1655120250).

Almost surely, 2^40036433504 is an apocalyptic number.

It is an amenable number.

40036433504 is a deficient number, since it is larger than the sum of its proper divisors (39409338496).

40036433504 is a wasteful number, since it uses less digits than its factorization.

40036433504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215 (or 10207 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 40036433504 its reverse (40533463004), we get a palindrome (80569896508).

The spelling of 40036433504 in words is "forty billion, thirty-six million, four hundred thirty-three thousand, five hundred four".