40798047 has 8 divisors (see below), whose sum is σ = 54474544. Its totient is φ = 27160128.

The previous prime is 40798019. The next prime is 40798061. The reversal of 40798047 is 74089704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40798047 - 2⁷ = 40797919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40797996 and 40798014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40798007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7078 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (6809318).

Almost surely, 2^40798047 is an apocalyptic number.

40798047 is a deficient number, since it is larger than the sum of its proper divisors (13676497).

40798047 is a wasteful number, since it uses less digits than its factorization.

40798047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19289.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40798047 is about 6387.3348902340. The cubic root of 40798047 is about 344.2546310836.

The spelling of 40798047 in words is "forty million, seven hundred ninety-eight thousand, forty-seven".