40045103453 has 16 divisors (see below), whose sum is σ = 41345173440. Its totient is φ = 38767411584.

The previous prime is 40045103431. The next prime is 40045103467. The reversal of 40045103453 is 35430154004.

It is a cyclic number.

It is not a de Polignac number, because 40045103453 - 2¹² = 40045099357 is a prime.

It is a super-2 number, since 2×40045103453² (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 (40045103353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934875 + ... + 2948487.

It is an arithmetic number, because the mean of its divisors is an integer number (2584073340).

Almost surely, 2^40045103453 is an apocalyptic number.

It is an amenable number.

40045103453 is a deficient number, since it is larger than the sum of its proper divisors (1300069987).

40045103453 is a wasteful number, since it uses less digits than its factorization.

40045103453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40045103453 its reverse (35430154004), we get a palindrome (75475257457).

The spelling of 40045103453 in words is "forty billion, forty-five million, one hundred three thousand, four hundred fifty-three".