40896451 has 2 divisors, whose sum is σ = 40896452. Its totient is φ = 40896450.

The previous prime is 40896437. The next prime is 40896491. The reversal of 40896451 is 15469804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40896451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40896451.

It is not a weakly prime, because it can be changed into another prime (40896421) 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 as a sum of consecutive naturals, namely, 20448225 + 20448226.

It is an arithmetic number, because the mean of its divisors is an integer number (20448226).

Almost surely, 2^40896451 is an apocalyptic number.

40896451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40896451 is an equidigital number, since it uses as much as digits as its factorization.

40896451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40896451 is about 6395.0333071846. The cubic root of 40896451 is about 344.5311870755.

The spelling of 40896451 in words is "forty million, eight hundred ninety-six thousand, four hundred fifty-one".