40648051 has 2 divisors, whose sum is σ = 40648052. Its totient is φ = 40648050.

The previous prime is 40648039. The next prime is 40648063. The reversal of 40648051 is 15084604.

It is a balanced prime because it is at equal distance from previous prime (40648039) and next prime (40648063).

It is a cyclic number.

It is not a de Polignac number, because 40648051 - 2⁵ = 40648019 is a prime.

It is not a weakly prime, because it can be changed into another prime (40648031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20324025 + 20324026.

It is an arithmetic number, because the mean of its divisors is an integer number (20324026).

Almost surely, 2^40648051 is an apocalyptic number.

40648051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40648051 is an equidigital number, since it uses as much as digits as its factorization.

40648051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40648051 is about 6375.5824047690. The cubic root of 40648051 is about 343.8322233723.

It can be divided in two parts, 40 and 648051, that added together give a triangular number (648091 = T₁₁₃₈).

The spelling of 40648051 in words is "forty million, six hundred forty-eight thousand, fifty-one".