40636305451 has 8 divisors (see below), whose sum is σ = 46448582400. Its totient is φ = 34825801128.

The previous prime is 40636305449. The next prime is 40636305467. The reversal of 40636305451 is 15450363604.

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

It is a cyclic number.

It is not a de Polignac number, because 40636305451 - 2¹ = 40636305449 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 40636305451.

It is not an unprimeable number, because it can be changed into a prime (40636305431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393661 + ... + 486046.

It is an arithmetic number, because the mean of its divisors is an integer number (5806072800).

Almost surely, 2^40636305451 is an apocalyptic number.

40636305451 is a deficient number, since it is larger than the sum of its proper divisors (5812276949).

40636305451 is an equidigital number, since it uses as much as digits as its factorization.

40636305451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886313.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 40636305451 in words is "forty billion, six hundred thirty-six million, three hundred five thousand, four hundred fifty-one".