40798517 has 4 divisors (see below), whose sum is σ = 41373216. Its totient is φ = 40223820.

The previous prime is 40798501. The next prime is 40798547. The reversal of 40798517 is 71589704.

40798517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40798517 - 2⁴ = 40798501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 287243 + ... + 287384.

It is an arithmetic number, because the mean of its divisors is an integer number (10343304).

Almost surely, 2^40798517 is an apocalyptic number.

It is an amenable number.

40798517 is a deficient number, since it is larger than the sum of its proper divisors (574699).

40798517 is an equidigital number, since it uses as much as digits as its factorization.

40798517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574698.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 40798517 is about 6387.3716816857. The cubic root of 40798517 is about 344.2559530346.

The spelling of 40798517 in words is "forty million, seven hundred ninety-eight thousand, five hundred seventeen".