40235834 has 4 divisors (see below), whose sum is σ = 60353754. Its totient is φ = 20117916.

The previous prime is 40235779. The next prime is 40235849. The reversal of 40235834 is 43853204.

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., 33605209 + 6630625 = 5797^2 + 2575^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40235797 and 40235806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058957 + ... + 10058960.

Almost surely, 2^40235834 is an apocalyptic number.

40235834 is a deficient number, since it is larger than the sum of its proper divisors (20117920).

40235834 is a wasteful number, since it uses less digits than its factorization.

40235834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117919.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 40235834 is about 6343.1722347734. The cubic root of 40235834 is about 342.6659901894.

The spelling of 40235834 in words is "forty million, two hundred thirty-five thousand, eight hundred thirty-four".