40700453 has 4 divisors (see below), whose sum is σ = 41060748. Its totient is φ = 40340160.

The previous prime is 40700437. The next prime is 40700467. The reversal of 40700453 is 35400704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14002564 + 26697889 = 3742^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 40700453 - 2⁴ = 40700437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40700053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179978 + ... + 180203.

It is an arithmetic number, because the mean of its divisors is an integer number (10265187).

Almost surely, 2^40700453 is an apocalyptic number.

It is an amenable number.

40700453 is a deficient number, since it is larger than the sum of its proper divisors (360295).

40700453 is a wasteful number, since it uses less digits than its factorization.

40700453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360294.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 40700453 is about 6379.6906664822. The cubic root of 40700453 is about 343.9799119557.

The spelling of 40700453 in words is "forty million, seven hundred thousand, four hundred fifty-three".