40798577 has 2 divisors, whose sum is σ = 40798578. Its totient is φ = 40798576.

The previous prime is 40798561. The next prime is 40798607. The reversal of 40798577 is 77589704.

40798577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 15808576 = 4999^2 + 3976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40798577 - 2⁴ = 40798561 is a prime.

It is not a weakly prime, because it can be changed into another prime (40798547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399288 + 20399289.

It is an arithmetic number, because the mean of its divisors is an integer number (20399289).

Almost surely, 2^40798577 is an apocalyptic number.

It is an amenable number.

40798577 is a deficient number, since it is larger than the sum of its proper divisors (1).

40798577 is an equidigital number, since it uses as much as digits as its factorization.

40798577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 40798577 is about 6387.3763784515. The cubic root of 40798577 is about 344.2561217935.

The spelling of 40798577 in words is "forty million, seven hundred ninety-eight thousand, five hundred seventy-seven".