42453240435 has 24 divisors (see below), whose sum is σ = 73695009024. Its totient is φ = 22608069120.

The previous prime is 42453240371. The next prime is 42453240437. The reversal of 42453240435 is 53404235424.

42453240435 is a `hidden beast` number, since 4 + 245 + 3 + 2 + 404 + 3 + 5 = 666.

It is not a de Polignac number, because 42453240435 - 2⁶ = 42453240371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42453240435.

It is not an unprimeable number, because it can be changed into a prime (42453240437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670611 + ... + 731180.

It is an arithmetic number, because the mean of its divisors is an integer number (3070625376).

Almost surely, 2^42453240435 is an apocalyptic number.

42453240435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42453240435 is a deficient number, since it is larger than the sum of its proper divisors (31241768589).

42453240435 is a wasteful number, since it uses less digits than its factorization.

42453240435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402475 (or 1402472 counting only the distinct ones).

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

Adding to 42453240435 its reverse (53404235424), we get a palindrome (95857475859).

The spelling of 42453240435 in words is "forty-two billion, four hundred fifty-three million, two hundred forty thousand, four hundred thirty-five".