40578103 has 2 divisors, whose sum is σ = 40578104. Its totient is φ = 40578102.

The previous prime is 40578077. The next prime is 40578143. The reversal of 40578103 is 30187504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40578103 - 2⁵ = 40578071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40578143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20289051 + 20289052.

It is an arithmetic number, because the mean of its divisors is an integer number (20289052).

Almost surely, 2^40578103 is an apocalyptic number.

40578103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40578103 is an equidigital number, since it uses as much as digits as its factorization.

40578103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40578103 is about 6370.0944263017. The cubic root of 40578103 is about 343.6348856203.

The spelling of 40578103 in words is "forty million, five hundred seventy-eight thousand, one hundred three".