40106445 has 8 divisors (see below), whose sum is σ = 64170336. Its totient is φ = 21390096.

The previous prime is 40106399. The next prime is 40106447. The reversal of 40106445 is 54460104.

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

It is not a de Polignac number, because 40106445 - 2⁷ = 40106317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40106447) 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, 1336867 + ... + 1336896.

It is an arithmetic number, because the mean of its divisors is an integer number (8021292).

Almost surely, 2^40106445 is an apocalyptic number.

It is an amenable number.

40106445 is a deficient number, since it is larger than the sum of its proper divisors (24063891).

40106445 is a wasteful number, since it uses less digits than its factorization.

40106445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673771.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40106445 is about 6332.9649454264. The cubic root of 40106445 is about 342.2982846187.

Adding to 40106445 its reverse (54460104), we get a palindrome (94566549).

The spelling of 40106445 in words is "forty million, one hundred six thousand, four hundred forty-five".