40403122 has 8 divisors (see below), whose sum is σ = 62082972. Its totient is φ = 19708800.

The previous prime is 40403113. The next prime is 40403123. The reversal of 40403122 is 22130404.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 2223081 = 6179^2 + 1491^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40403096 and 40403105.

It is not an unprimeable number, because it can be changed into a prime (40403123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246279 + ... + 246442.

Almost surely, 2^40403122 is an apocalyptic number.

40403122 is a deficient number, since it is larger than the sum of its proper divisors (21679850).

40403122 is a wasteful number, since it uses less digits than its factorization.

40403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492764.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40403122 is about 6356.3450189555. The cubic root of 40403122 is about 343.1402328443.

Adding to 40403122 its reverse (22130404), we get a palindrome (62533526).

The spelling of 40403122 in words is "forty million, four hundred three thousand, one hundred twenty-two".