40030105 has 8 divisors (see below), whose sum is σ = 48942792. Its totient is φ = 31419648.

The previous prime is 40030103. The next prime is 40030117. The reversal of 40030105 is 50103004.

It can be written as a sum of positive squares in 4 ways, for example, as 7551504 + 32478601 = 2748^2 + 5699^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40030105 - 2¹ = 40030103 is a prime.

It is a super-2 number, since 2×40030105² = 3204818612622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40030103) 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, 75264 + ... + 75793.

It is an arithmetic number, because the mean of its divisors is an integer number (6117849).

Almost surely, 2^40030105 is an apocalyptic number.

It is an amenable number.

40030105 is a deficient number, since it is larger than the sum of its proper divisors (8912687).

40030105 is a wasteful number, since it uses less digits than its factorization.

40030105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151115.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40030105 is about 6326.9348819156. The cubic root of 40030105 is about 342.0809658629.

Adding to 40030105 its reverse (50103004), we get a palindrome (90133109).

The spelling of 40030105 in words is "forty million, thirty thousand, one hundred five".