40445460120453 has 4 divisors (see below), whose sum is σ = 53927280160608. Its totient is φ = 26963640080300.

The previous prime is 40445460120437. The next prime is 40445460120463. The reversal of 40445460120453 is 35402106454404.

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 40445460120453 - 2⁴ = 40445460120437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445460120463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6740910020073 + ... + 6740910020078.

It is an arithmetic number, because the mean of its divisors is an integer number (13481820040152).

Almost surely, 2^{40445460120453} is an apocalyptic number.

It is an amenable number.

40445460120453 is a deficient number, since it is larger than the sum of its proper divisors (13481820040155).

40445460120453 is a wasteful number, since it uses less digits than its factorization.

40445460120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481820040154.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 40445460120453 its reverse (35402106454404), we get a palindrome (75847566574857).

The spelling of 40445460120453 in words is "forty trillion, four hundred forty-five billion, four hundred sixty million, one hundred twenty thousand, four hundred fifty-three".