40453453 has 4 divisors (see below), whose sum is σ = 40940928. Its totient is φ = 39965980.

The previous prime is 40453433. The next prime is 40453471. The reversal of 40453453 is 35435404.

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 a de Polignac number, because none of the positive numbers 2^k-40453453 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 (40453403) 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, 243613 + ... + 243778.

It is an arithmetic number, because the mean of its divisors is an integer number (10235232).

Almost surely, 2^40453453 is an apocalyptic number.

It is an amenable number.

40453453 is a deficient number, since it is larger than the sum of its proper divisors (487475).

40453453 is an equidigital number, since it uses as much as digits as its factorization.

40453453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487474.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 40453453 is about 6360.3029015920. The cubic root of 40453453 is about 343.2826593345.

Adding to 40453453 its reverse (35435404), we get a palindrome (75888857).

The spelling of 40453453 in words is "forty million, four hundred fifty-three thousand, four hundred fifty-three".