40105430 has 8 divisors (see below), whose sum is σ = 72189792. Its totient is φ = 16042168.

The previous prime is 40105411. The next prime is 40105433. The reversal of 40105430 is 3450104.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40105399 and 40105408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105433) 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, 2005262 + ... + 2005281.

It is an arithmetic number, because the mean of its divisors is an integer number (9023724).

Almost surely, 2^40105430 is an apocalyptic number.

40105430 is a deficient number, since it is larger than the sum of its proper divisors (32084362).

40105430 is a wasteful number, since it uses less digits than its factorization.

40105430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010550.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40105430 is about 6332.8848086792. The cubic root of 40105430 is about 342.2953970056.

Adding to 40105430 its reverse (3450104), we get a palindrome (43555534).

The spelling of 40105430 in words is "forty million, one hundred five thousand, four hundred thirty".