40351099 has 2 divisors, whose sum is σ = 40351100. Its totient is φ = 40351098.

The previous prime is 40351063. The next prime is 40351109. The reversal of 40351099 is 99015304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40351099 - 2⁹ = 40350587 is a prime.

It is a super-2 number, since 2×40351099² = 3256422381015602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40351099.

It is not a weakly prime, because it can be changed into another prime (40351009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175549 + 20175550.

It is an arithmetic number, because the mean of its divisors is an integer number (20175550).

Almost surely, 2^40351099 is an apocalyptic number.

40351099 is a deficient number, since it is larger than the sum of its proper divisors (1).

40351099 is an equidigital number, since it uses as much as digits as its factorization.

40351099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 40351099 is about 6352.2514906134. The cubic root of 40351099 is about 342.9928939700.

The spelling of 40351099 in words is "forty million, three hundred fifty-one thousand, ninety-nine".