40631314 has 4 divisors (see below), whose sum is σ = 60946974. Its totient is φ = 20315656.

The previous prime is 40631293. The next prime is 40631351. The reversal of 40631314 is 41313604.

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., 30614089 + 10017225 = 5533^2 + 3165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157827 + ... + 10157830.

Almost surely, 2^40631314 is an apocalyptic number.

40631314 is a deficient number, since it is larger than the sum of its proper divisors (20315660).

40631314 is a wasteful number, since it uses less digits than its factorization.

40631314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315659.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40631314 is about 6374.2696836579. The cubic root of 40631314 is about 343.7850254559.

Adding to 40631314 its reverse (41313604), we get a palindrome (81944918).

The spelling of 40631314 in words is "forty million, six hundred thirty-one thousand, three hundred fourteen".