40505303453 has 8 divisors (see below), whose sum is σ = 43614884160. Its totient is φ = 37476491200.

The previous prime is 40505303437. The next prime is 40505303459. The reversal of 40505303453 is 35430350504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40505303453 - 2⁴ = 40505303437 is a prime.

It is a super-2 number, since 2×40505303453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505303459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20191073 + ... + 20193078.

It is an arithmetic number, because the mean of its divisors is an integer number (5451860520).

Almost surely, 2^40505303453 is an apocalyptic number.

It is an amenable number.

40505303453 is a deficient number, since it is larger than the sum of its proper divisors (3109580707).

40505303453 is a wasteful number, since it uses less digits than its factorization.

40505303453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40384227.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 40505303453 its reverse (35430350504), we get a palindrome (75935653957).

The spelling of 40505303453 in words is "forty billion, five hundred five million, three hundred three thousand, four hundred fifty-three".