40400302543425 has 144 divisors (see below), whose sum is σ = 79083257722560. Its totient is φ = 19552446144000.

The previous prime is 40400302543421. The next prime is 40400302543457. The reversal of 40400302543425 is 52434520300404.

40400302543425 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 0 + 302 + 5 + 4 + 342 + 5 = 666.

40400302543425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40400302543425 - 2² = 40400302543421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40400302543425.

It is not an unprimeable number, because it can be changed into a prime (40400302543421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3709507230 + ... + 3709518120.

It is an arithmetic number, because the mean of its divisors is an integer number (549189289740).

Almost surely, 2^{40400302543425} is an apocalyptic number.

40400302543425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40400302543425 is a deficient number, since it is larger than the sum of its proper divisors (38682955179135).

40400302543425 is a wasteful number, since it uses less digits than its factorization.

40400302543425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504 (or 13496 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 40400302543425 its reverse (52434520300404), we get a palindrome (92834822843829).

The spelling of 40400302543425 in words is "forty trillion, four hundred billion, three hundred two million, five hundred forty-three thousand, four hundred twenty-five".