40523254 has 8 divisors (see below), whose sum is σ = 61353288. Its totient is φ = 20072160.

The previous prime is 40523233. The next prime is 40523261. The reversal of 40523254 is 45232504.

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

It is a super-2 number, since 2×40523254² = 3284268229497032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94467 + ... + 94894.

It is an arithmetic number, because the mean of its divisors is an integer number (7669161).

Almost surely, 2^40523254 is an apocalyptic number.

40523254 is a deficient number, since it is larger than the sum of its proper divisors (20830034).

40523254 is a wasteful number, since it uses less digits than its factorization.

40523254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189470.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40523254 is about 6365.7877752875. The cubic root of 40523254 is about 343.4799865733.

Adding to 40523254 its reverse (45232504), we get a palindrome (85755758).

The spelling of 40523254 in words is "forty million, five hundred twenty-three thousand, two hundred fifty-four".