40451453 has 4 divisors (see below), whose sum is σ = 46230240. Its totient is φ = 34672668.

The previous prime is 40451441. The next prime is 40451527. The reversal of 40451453 is 35415404.

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 not a de Polignac number, because 40451453 - 2¹² = 40447357 is a prime.

It is a super-2 number, since 2×40451453² = 3272640099622418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451423) 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, 2889383 + ... + 2889396.

It is an arithmetic number, because the mean of its divisors is an integer number (11557560).

Almost surely, 2^40451453 is an apocalyptic number.

It is an amenable number.

40451453 is a deficient number, since it is larger than the sum of its proper divisors (5778787).

40451453 is an equidigital number, since it uses as much as digits as its factorization.

40451453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778786.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40451453 is about 6360.1456744323. The cubic root of 40451453 is about 343.2770019960.

Adding to 40451453 its reverse (35415404), we get a palindrome (75866857).

It can be divided in two parts, 40451 and 453, that added together give a palindrome (40904).

The spelling of 40451453 in words is "forty million, four hundred fifty-one thousand, four hundred fifty-three".