40731914 has 4 divisors (see below), whose sum is σ = 61097874. Its totient is φ = 20365956.

The previous prime is 40731893. The next prime is 40731937. The reversal of 40731914 is 41913704.

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., 25654225 + 15077689 = 5065^2 + 3883^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182977 + ... + 10182980.

Almost surely, 2^40731914 is an apocalyptic number.

40731914 is a deficient number, since it is larger than the sum of its proper divisors (20365960).

40731914 is a wasteful number, since it uses less digits than its factorization.

40731914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365959.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40731914 is about 6382.1559053348. The cubic root of 40731914 is about 344.0685200177.

The spelling of 40731914 in words is "forty million, seven hundred thirty-one thousand, nine hundred fourteen".