40662254 has 4 divisors (see below), whose sum is σ = 60993384. Its totient is φ = 20331126.

The previous prime is 40662253. The next prime is 40662287. The reversal of 40662254 is 45226604.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40662253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165562 + ... + 10165565.

It is an arithmetic number, because the mean of its divisors is an integer number (15248346).

Almost surely, 2^40662254 is an apocalyptic number.

40662254 is a deficient number, since it is larger than the sum of its proper divisors (20331130).

40662254 is a wasteful number, since it uses less digits than its factorization.

40662254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20331129.

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

The square root of 40662254 is about 6376.6961665113. The cubic root of 40662254 is about 343.8722653118.

Adding to 40662254 its reverse (45226604), we get a palindrome (85888858).

The spelling of 40662254 in words is "forty million, six hundred sixty-two thousand, two hundred fifty-four".