40203254 has 16 divisors (see below), whose sum is σ = 74221728. Its totient is φ = 15904512.

The previous prime is 40203227. The next prime is 40203257. The reversal of 40203254 is 45230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110267 + ... + 110630.

It is an arithmetic number, because the mean of its divisors is an integer number (4638858).

Almost surely, 2^40203254 is an apocalyptic number.

40203254 is a deficient number, since it is larger than the sum of its proper divisors (34018474).

40203254 is a wasteful number, since it uses less digits than its factorization.

40203254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220919.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40203254 is about 6340.6035990275. The cubic root of 40203254 is about 342.5734766969.

Adding to 40203254 its reverse (45230204), we get a palindrome (85433458).

The spelling of 40203254 in words is "forty million, two hundred three thousand, two hundred fifty-four".