40908773 has 2 divisors, whose sum is σ = 40908774. Its totient is φ = 40908772.

The previous prime is 40908757. The next prime is 40908779. The reversal of 40908773 is 37780904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33849124 + 7059649 = 5818^2 + 2657^2 .

It is a cyclic number.

It is not a de Polignac number, because 40908773 - 2⁴ = 40908757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40908779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20454386 + 20454387.

It is an arithmetic number, because the mean of its divisors is an integer number (20454387).

Almost surely, 2^40908773 is an apocalyptic number.

It is an amenable number.

40908773 is a deficient number, since it is larger than the sum of its proper divisors (1).

40908773 is an equidigital number, since it uses as much as digits as its factorization.

40908773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 40908773 is about 6395.9966385232. The cubic root of 40908773 is about 344.5657857337.

The spelling of 40908773 in words is "forty million, nine hundred eight thousand, seven hundred seventy-three".