40454033513 has 4 divisors (see below), whose sum is σ = 41759002368. Its totient is φ = 39149064660.

The previous prime is 40454033491. The next prime is 40454033531. The reversal of 40454033513 is 31533045404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40454033513 - 2²⁶ = 40386924649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40454033513.

It is not an unprimeable number, because it can be changed into a prime (40454033573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652484381 + ... + 652484442.

It is an arithmetic number, because the mean of its divisors is an integer number (10439750592).

Almost surely, 2^40454033513 is an apocalyptic number.

It is an amenable number.

40454033513 is a deficient number, since it is larger than the sum of its proper divisors (1304968855).

40454033513 is a wasteful number, since it uses less digits than its factorization.

40454033513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304968854.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 40454033513 its reverse (31533045404), we get a palindrome (71987078917).

The spelling of 40454033513 in words is "forty billion, four hundred fifty-four million, thirty-three thousand, five hundred thirteen".