40453600817 has 16 divisors (see below), whose sum is σ = 47477294592. Its totient is φ = 33749213760.

The previous prime is 40453600793. The next prime is 40453600933. The reversal of 40453600817 is 71800635404.

It is a cyclic number.

It is not a de Polignac number, because 40453600817 - 2¹⁴ = 40453584433 is a prime.

It is a super-2 number, since 2×40453600817² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40453650817) 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 15 ways as a sum of consecutive naturals, for example, 280118 + ... + 399215.

It is an arithmetic number, because the mean of its divisors is an integer number (2967330912).

Almost surely, 2^40453600817 is an apocalyptic number.

40453600817 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40453600817 is a deficient number, since it is larger than the sum of its proper divisors (7023693775).

40453600817 is a wasteful number, since it uses less digits than its factorization.

40453600817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679568.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 40453600817 in words is "forty billion, four hundred fifty-three million, six hundred thousand, eight hundred seventeen".