40411394 has 4 divisors (see below), whose sum is σ = 60617094. Its totient is φ = 20205696.

The previous prime is 40411381. The next prime is 40411403. The reversal of 40411394 is 49311404.

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., 40005625 + 405769 = 6325^2 + 637^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102847 + ... + 10102850.

Almost surely, 2^40411394 is an apocalyptic number.

40411394 is a deficient number, since it is larger than the sum of its proper divisors (20205700).

40411394 is a wasteful number, since it uses less digits than its factorization.

40411394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205699.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40411394 is about 6356.9956740586. The cubic root of 40411394 is about 343.1636490407.

Adding to 40411394 its reverse (49311404), we get a palindrome (89722798).

The spelling of 40411394 in words is "forty million, four hundred eleven thousand, three hundred ninety-four".