53440204435 has 16 divisors (see below), whose sum is σ = 65650390560. Its totient is φ = 41748998400.

The previous prime is 53440204423. The next prime is 53440204439.

53440204435 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53440204435 - 2²⁹ = 52903333523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53440204435.

It is not an unprimeable number, because it can be changed into a prime (53440204439) 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 15 ways as a sum of consecutive naturals, for example, 687945 + ... + 761674.

It is an arithmetic number, because the mean of its divisors is an integer number (4103149410).

Almost surely, 2^53440204435 is an apocalyptic number.

53440204435 is a deficient number, since it is larger than the sum of its proper divisors (12210186125).

53440204435 is a wasteful number, since it uses less digits than its factorization.

53440204435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449798.

The product of its (nonzero) digits is 115200, while the sum is 34.

The spelling of 53440204435 in words is "fifty-three billion, four hundred forty million, two hundred four thousand, four hundred thirty-five".