40799847 has 16 divisors (see below), whose sum is σ = 62836992. Its totient is φ = 23272320.

The previous prime is 40799809. The next prime is 40799867. The reversal of 40799847 is 74899704.

It is a happy number.

It is not a de Polignac number, because 40799847 - 2⁷ = 40799719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40799796 and 40799805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35803 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (3927312).

Almost surely, 2^40799847 is an apocalyptic number.

40799847 is a deficient number, since it is larger than the sum of its proper divisors (22037145).

40799847 is a wasteful number, since it uses less digits than its factorization.

40799847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72758.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 40799847 is about 6387.4757925177. The cubic root of 40799847 is about 344.2596938196.

The spelling of 40799847 in words is "forty million, seven hundred ninety-nine thousand, eight hundred forty-seven".