40350505 has 8 divisors (see below), whose sum is σ = 52145352. Its totient is φ = 29797248.

The previous prime is 40350491. The next prime is 40350521. The reversal of 40350505 is 50505304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5740816 + 34609689 = 2396^2 + 5883^2 .

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

It is not a de Polignac number, because 40350505 - 2⁷ = 40350377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310324 + ... + 310453.

It is an arithmetic number, because the mean of its divisors is an integer number (6518169).

Almost surely, 2^40350505 is an apocalyptic number.

It is an amenable number.

40350505 is a deficient number, since it is larger than the sum of its proper divisors (11794847).

40350505 is a wasteful number, since it uses less digits than its factorization.

40350505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620795.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 40350505 is about 6352.2047353655. The cubic root of 40350505 is about 342.9912109198.

Adding to 40350505 its reverse (50505304), we get a palindrome (90855809).

The spelling of 40350505 in words is "forty million, three hundred fifty thousand, five hundred five".