40025834 has 4 divisors (see below), whose sum is σ = 60038754. Its totient is φ = 20012916.

The previous prime is 40025833. The next prime is 40025861. The reversal of 40025834 is 43852004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 11242609 = 5365^2 + 3353^2 .

It is not an unprimeable number, because it can be changed into a prime (40025833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006457 + ... + 10006460.

Almost surely, 2^40025834 is an apocalyptic number.

40025834 is a deficient number, since it is larger than the sum of its proper divisors (20012920).

40025834 is a wasteful number, since it uses less digits than its factorization.

40025834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012919.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40025834 is about 6326.5973477060. The cubic root of 40025834 is about 342.0687993549.

Adding to 40025834 its reverse (43852004), we get a palindrome (83877838).

The spelling of 40025834 in words is "forty million, twenty-five thousand, eight hundred thirty-four".