40240034 has 8 divisors (see below), whose sum is σ = 60566940. Its totient is φ = 20051056.

The previous prime is 40240033. The next prime is 40240093. The reversal of 40240034 is 43004204.

It can be written as a sum of positive squares in 2 ways, for example, as 25532809 + 14707225 = 5053^2 + 3835^2 .

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 = 40239994 and 40240021.

It is not an unprimeable number, because it can be changed into a prime (40240033) 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, 33749 + ... + 34920.

Almost surely, 2^40240034 is an apocalyptic number.

40240034 is a deficient number, since it is larger than the sum of its proper divisors (20326906).

40240034 is a wasteful number, since it uses less digits than its factorization.

40240034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68964.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40240034 is about 6343.5032907692. The cubic root of 40240034 is about 342.6779127880.

Adding to 40240034 its reverse (43004204), we get a palindrome (83244238).

The spelling of 40240034 in words is "forty million, two hundred forty thousand, thirty-four".