40453451 has 8 divisors (see below), whose sum is σ = 43123200. Its totient is φ = 37837800.

The previous prime is 40453433. The next prime is 40453471. The reversal of 40453451 is 15435404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40453451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40453451.

It is not an unprimeable number, because it can be changed into a prime (40453471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11975 + ... + 14976.

It is an arithmetic number, because the mean of its divisors is an integer number (5390400).

Almost surely, 2^40453451 is an apocalyptic number.

40453451 is a deficient number, since it is larger than the sum of its proper divisors (2669749).

40453451 is a wasteful number, since it uses less digits than its factorization.

40453451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27049.

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

The square root of 40453451 is about 6360.3027443668. The cubic root of 40453451 is about 343.2826536772.

Adding to 40453451 its reverse (15435404), we get a palindrome (55888855).

It can be divided in two parts, 40453 and 451, that added together give a palindrome (40904).

The spelling of 40453451 in words is "forty million, four hundred fifty-three thousand, four hundred fifty-one".